diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 123bd5c65a2..36439aa6cfd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -444,6 +444,19 @@ jobs:
       PKG_VERSION: ${{needs.prepare.outputs.pkg_version}}
       
     steps:
+      - name: Refresh Staging DB
+        uses: the-actions-org/workflow-dispatch@v4
+        with:
+          workflow: update-staging-db.yml
+          repo: ietf-tools/infra-k8s
+          ref: main
+          token: ${{ secrets.GH_INFRA_K8S_TOKEN }}
+          inputs: '{ "sourceDb":"datatracker" }'
+          wait-for-completion: true
+          wait-for-completion-timeout: 5m
+          wait-for-completion-interval: 20s
+          display-workflow-run-url: false
+
       - name: Deploy to staging
         uses: the-actions-org/workflow-dispatch@v4
         with:
diff --git a/client/agenda/store.js b/client/agenda/store.js
index 359c5fbf055..b5498303a68 100644
--- a/client/agenda/store.js
+++ b/client/agenda/store.js
@@ -141,7 +141,7 @@ export const useAgendaStore = defineStore('agenda', {
           meetingNumber = meetingData.meetingNumber
         }
 
-        const resp = await fetch(`/api/meeting/${meetingNumber}/agenda-data`, { credentials: 'omit' })
+        const resp = await fetch(`/api/meeting/${meetingNumber}/agenda-data`)
         if (!resp.ok) {
           throw new Error(resp.statusText)
         }
diff --git a/dev/build/Dockerfile b/dev/build/Dockerfile
index cd0a70667c5..bdf3cff0e4a 100644
--- a/dev/build/Dockerfile
+++ b/dev/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/ietf-tools/datatracker-app-base:20250402T1611
+FROM ghcr.io/ietf-tools/datatracker-app-base:20250421T1600
 LABEL maintainer="IETF Tools Team <tools-discuss@ietf.org>"
 
 ENV DEBIAN_FRONTEND=noninteractive
diff --git a/dev/build/TARGET_BASE b/dev/build/TARGET_BASE
index 1195fc9a0b1..bdfdb2eed1f 100644
--- a/dev/build/TARGET_BASE
+++ b/dev/build/TARGET_BASE
@@ -1 +1 @@
-20250402T1611
+20250421T1600
diff --git a/ietf/api/tests.py b/ietf/api/tests.py
index ac0b37a608f..809b45cc2b3 100644
--- a/ietf/api/tests.py
+++ b/ietf/api/tests.py
@@ -1,6 +1,7 @@
 # Copyright The IETF Trust 2015-2024, All Rights Reserved
 # -*- coding: utf-8 -*-
 import base64
+import copy
 import datetime
 import json
 import html
@@ -31,7 +32,7 @@
 from ietf.doc.factories import IndividualDraftFactory, WgDraftFactory, WgRfcFactory
 from ietf.group.factories import RoleFactory
 from ietf.meeting.factories import MeetingFactory, SessionFactory
-from ietf.meeting.models import Session
+from ietf.meeting.models import Session, Registration
 from ietf.nomcom.models import Volunteer
 from ietf.nomcom.factories import NomComFactory, nomcom_kwargs_for_year
 from ietf.person.factories import PersonFactory, random_faker, EmailFactory, PersonalApiKeyFactory
@@ -828,6 +829,196 @@ def test_api_new_meeting_registration_nomcom_volunteer(self):
         self.assertEqual(volunteer.nomcom, nomcom)
         self.assertEqual(volunteer.origin, 'registration')
 
+    @override_settings(APP_API_TOKENS={"ietf.api.views.api_new_meeting_registration_v2": ["valid-token"]})
+    def test_api_new_meeting_registration_v2(self):
+        meeting = MeetingFactory(type_id='ietf')
+        person = PersonFactory()
+        regs = [
+            {
+                'affiliation': "Alguma Corporação",
+                'country_code': 'PT',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'onsite',
+                'ticket_type': 'week_pass',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            }
+        ]
+
+        url = urlreverse('ietf.api.views.api_new_meeting_registration_v2')
+        #
+        # Test invalid key
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "invalid-token"})
+        self.assertEqual(r.status_code, 403)
+        #
+        # Test invalid data
+        bad_regs = copy.deepcopy(regs)
+        del(bad_regs[0]['email'])
+        r = self.client.post(url, data=json.dumps(bad_regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertEqual(r.status_code, 400)
+        #
+        # Test valid POST
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        #
+        # Check record
+        reg = regs[0]
+        objects = Registration.objects.filter(email=reg['email'], meeting__number=reg['meeting'])
+        self.assertEqual(objects.count(), 1)
+        obj = objects[0]
+        for key in ['affiliation', 'country_code', 'first_name', 'last_name', 'checkedin']:
+            self.assertEqual(getattr(obj, key), False if key=='checkedin' else reg.get(key) , "Bad data for field '%s'" % key)
+        self.assertEqual(obj.tickets.count(), 1)
+        ticket = obj.tickets.first()
+        self.assertEqual(ticket.ticket_type.slug, regs[0]['ticket_type'])
+        self.assertEqual(ticket.attendance_type.slug, regs[0]['reg_type'])
+        self.assertEqual(obj.person, person)
+        #
+        # Test update (switch to remote)
+        regs = [
+            {
+                'affiliation': "Alguma Corporação",
+                'country_code': 'PT',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'remote',
+                'ticket_type': 'week_pass',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            }
+        ]
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        objects = Registration.objects.filter(email=reg['email'], meeting__number=reg['meeting'])
+        self.assertEqual(objects.count(), 1)
+        obj = objects[0]
+        self.assertEqual(obj.tickets.count(), 1)
+        ticket = obj.tickets.first()
+        self.assertEqual(ticket.ticket_type.slug, regs[0]['ticket_type'])
+        self.assertEqual(ticket.attendance_type.slug, regs[0]['reg_type'])
+        #
+        # Test multiple
+        regs = [
+            {
+                'affiliation': "Alguma Corporação",
+                'country_code': 'PT',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'onsite',
+                'ticket_type': 'one_day',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            },
+
+            {
+                'affiliation': "Alguma Corporação",
+                'country_code': 'PT',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'remote',
+                'ticket_type': 'week_pass',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            }
+        ]
+
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        objects = Registration.objects.filter(email=reg['email'], meeting__number=reg['meeting'])
+        self.assertEqual(objects.count(), 1)
+        obj = objects[0]
+        self.assertEqual(obj.tickets.count(), 2)
+        self.assertEqual(obj.tickets.filter(attendance_type__slug='onsite').count(), 1)
+        self.assertEqual(obj.tickets.filter(attendance_type__slug='remote').count(), 1)
+
+    @override_settings(APP_API_TOKENS={"ietf.api.views.api_new_meeting_registration_v2": ["valid-token"]})
+    def test_api_new_meeting_registration_v2_cancelled(self):
+        meeting = MeetingFactory(type_id='ietf')
+        person = PersonFactory()
+        regs = [
+            {
+                'affiliation': "Acme",
+                'country_code': 'US',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'onsite',
+                'ticket_type': 'week_pass',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            }
+        ]
+        url = urlreverse('ietf.api.views.api_new_meeting_registration_v2')
+        self.assertEqual(Registration.objects.count(), 0)
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        self.assertEqual(Registration.objects.count(), 1)
+        regs[0]['cancelled'] = True
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        self.assertEqual(Registration.objects.count(), 0)
+
+    @override_settings(APP_API_TOKENS={"ietf.api.views.api_new_meeting_registration_v2": ["valid-token"]})    
+    def test_api_new_meeting_registration_v2_nomcom(self):
+        meeting = MeetingFactory(type_id='ietf')
+        person = PersonFactory()
+        regs = [
+            {
+                'affiliation': "Acme",
+                'country_code': 'US',
+                'email': person.email().address,
+                'first_name': person.first_name(),
+                'last_name': person.last_name(),
+                'meeting': str(meeting.number),
+                'reg_type': 'onsite',
+                'ticket_type': 'week_pass',
+                'checkedin': False,
+                'is_nomcom_volunteer': False,
+                'cancelled': False,
+            }
+        ]
+
+        url = urlreverse('ietf.api.views.api_new_meeting_registration_v2')
+        now = datetime.datetime.now()
+        if now.month > 10:
+            year = now.year + 1
+        else:
+            year = now.year
+        # create appropriate group and nomcom objects
+        nomcom = NomComFactory.create(is_accepting_volunteers=True, **nomcom_kwargs_for_year(year))
+
+        # first test is_nomcom_volunteer False
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        # assert no Volunteers exists
+        self.assertEqual(Volunteer.objects.count(), 0)
+
+        # test is_nomcom_volunteer True
+        regs[0]['is_nomcom_volunteer'] = True
+        r = self.client.post(url, data=json.dumps(regs), content_type='application/json', headers={"X-Api-Key": "valid-token"})
+        self.assertContains(r, "Success", status_code=202)
+        # assert Volunteer exists
+        self.assertEqual(Volunteer.objects.count(), 1)
+        volunteer = Volunteer.objects.last()
+        self.assertEqual(volunteer.person, person)
+        self.assertEqual(volunteer.nomcom, nomcom)
+        self.assertEqual(volunteer.origin, 'registration')
+
     def test_api_version(self):
         DumpInfo.objects.create(date=timezone.datetime(2022,8,31,7,10,1,tzinfo=datetime.timezone.utc), host='testapi.example.com',tz='UTC')
         url = urlreverse('ietf.api.views.version')
@@ -973,6 +1164,39 @@ def test_active_email_list(self):
         self.assertCountEqual(result.keys(), ["addresses"])
         self.assertCountEqual(result["addresses"], Email.objects.filter(active=True).values_list("address", flat=True))
 
+    @override_settings(APP_API_TOKENS={"ietf.api.views.related_email_list": ["valid-token"]})
+    def test_related_email_list(self):
+        joe = EmailFactory(address='joe@work.com')
+        EmailFactory(address='joe@home.com', person=joe.person)
+        EmailFactory(address='jòe@spain.com', person=joe.person)
+        url = urlreverse("ietf.api.views.related_email_list", kwargs={'email': 'joe@home.com'})
+        # no api key
+        r = self.client.get(url, headers={})
+        self.assertEqual(r.status_code, 403)
+        # invalid api key
+        r = self.client.get(url, headers={"X-Api-Key": "not-the-valid-token"})
+        self.assertEqual(r.status_code, 403)
+        # wrong method
+        r = self.client.post(url, headers={"X-Api-Key": "valid-token"})
+        self.assertEqual(r.status_code, 405)
+        # valid
+        r = self.client.get(url, headers={"X-Api-Key": "valid-token"})
+        self.assertEqual(r.status_code, 200)
+        self.assertEqual(r.headers["Content-Type"], "application/json")
+        result = json.loads(r.content)
+        self.assertCountEqual(result.keys(), ["addresses"])
+        self.assertCountEqual(result["addresses"], joe.person.email_set.exclude(address='joe@home.com').values_list("address", flat=True))
+        # non-ascii
+        non_ascii_url = urlreverse("ietf.api.views.related_email_list", kwargs={'email': 'jòe@spain.com'})
+        r = self.client.get(non_ascii_url, headers={"X-Api-Key": "valid-token"})
+        self.assertEqual(r.status_code, 200)
+        result = json.loads(r.content)
+        self.assertTrue('joe@home.com' in result["addresses"])
+        # email not found
+        not_found_url = urlreverse("ietf.api.views.related_email_list", kwargs={'email': 'nobody@nowhere.com'})
+        r = self.client.get(not_found_url, headers={"X-Api-Key": "valid-token"})
+        self.assertEqual(r.status_code, 404)
+
     @override_settings(APP_API_TOKENS={"ietf.api.views.role_holder_addresses": ["valid-token"]})
     def test_role_holder_addresses(self):
         url = urlreverse("ietf.api.views.role_holder_addresses")
@@ -1440,7 +1664,7 @@ def test_api_top_level(self):
         resource_list = r.json()
 
         for name in self.apps:
-            if not name in self.apps:
+            if not name in resource_list:
                 sys.stderr.write("Expected a REST API resource for %s, but didn't find one\n" % name)
 
         for name in self.apps:
diff --git a/ietf/api/urls.py b/ietf/api/urls.py
index b0dbaf91ce7..bafd5c5b761 100644
--- a/ietf/api/urls.py
+++ b/ietf/api/urls.py
@@ -66,12 +66,15 @@
     # Let MeetEcho upload session polls
     url(r'^notify/session/polls/?$', meeting_views.api_upload_polls),    
     # Let the registration system notify us about registrations
+    url(r'^notify/meeting/registration/v2/?', api_views.api_new_meeting_registration_v2),
     url(r'^notify/meeting/registration/?', api_views.api_new_meeting_registration),
     # OpenID authentication provider
     url(r'^openid/$', TemplateView.as_view(template_name='api/openid-issuer.html'), name='ietf.api.urls.oidc_issuer'),
     url(r'^openid/', include('oidc_provider.urls', namespace='oidc_provider')),
     # Email alias listing
     url(r'^person/email/$', api_views.active_email_list),
+    # Related Email listing
+    url(r'^person/email/(?P<email>[^/\x00]+)/related/$', api_views.related_email_list),
     # Draft submission API
     url(r'^submit/?$', submit_views.api_submit_tombstone),
     # Draft upload API
diff --git a/ietf/api/views.py b/ietf/api/views.py
index 2fd9d2730fa..97b97930482 100644
--- a/ietf/api/views.py
+++ b/ietf/api/views.py
@@ -18,7 +18,7 @@
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 from django.core.validators import validate_email
-from django.http import HttpResponse, Http404, JsonResponse
+from django.http import HttpResponse, Http404, JsonResponse, HttpResponseBadRequest
 from django.shortcuts import render, get_object_or_404
 from django.urls import reverse
 from django.utils.decorators import method_decorator
@@ -45,7 +45,7 @@
 from ietf.ietfauth.utils import role_required
 from ietf.ietfauth.views import send_account_creation_email
 from ietf.ipr.utils import ingest_response_email as ipr_ingest_response_email
-from ietf.meeting.models import Meeting
+from ietf.meeting.models import Meeting, Registration
 from ietf.nomcom.models import Volunteer, NomCom
 from ietf.nomcom.utils import ingest_feedback_email as nomcom_ingest_feedback_email
 from ietf.person.models import Person, Email
@@ -68,7 +68,10 @@ def top_level(request):
         }
 
     serializer = Serializer()
-    desired_format = determine_format(request, serializer)
+    try:
+        desired_format = determine_format(request, serializer)
+    except BadRequest as err:
+        return HttpResponseBadRequest(str(err))
 
     options = {}
 
@@ -76,10 +79,12 @@ def top_level(request):
         callback = request.GET.get('callback', 'callback')
 
         if not is_valid_jsonp_callback_value(callback):
-            raise BadRequest('JSONP callback name is invalid.')
+            return HttpResponseBadRequest("JSONP callback name is invalid")
 
         options['callback'] = callback
 
+    # This might raise UnsupportedFormat, but that indicates a real server misconfiguration
+    # so let it bubble up unhandled and trigger a 500 / email to admins.
     serialized = serializer.serialize(available_resources, desired_format, options)
     return HttpResponse(content=serialized, content_type=build_content_type(desired_format))
 
@@ -236,6 +241,147 @@ def err(code, text):
         return HttpResponse(status=405)
 
 
+_new_registration_json_validator = jsonschema.Draft202012Validator(
+    schema={
+        "type": "array",
+        "items": {
+            "type": "object",
+            "properties": {
+                "meeting": {"type": "string"},
+                "first_name": {"type": "string"},
+                "last_name": {"type": "string"},
+                "affiliation": {"type": "string"},
+                "country_code": {"type": "string"},
+                "email": {"type": "string"},
+                "reg_type": {"type": "string"},
+                "ticket_type": {"type": "string"},
+                "checkedin": {"type": "boolean"},
+                "is_nomcom_volunteer": {"type": "boolean"},
+                "cancelled": {"type": "boolean"},
+            },
+            "required": ["meeting", "first_name", "last_name", "affiliation", "country_code", "email", "reg_type", "ticket_type", "checkedin", "is_nomcom_volunteer", "cancelled"],
+            "additionalProperties": "false"
+        }
+    }
+)
+
+
+@requires_api_token
+@csrf_exempt
+def api_new_meeting_registration_v2(request):
+    '''REST API to notify the datatracker about a new meeting registration'''
+    def _http_err(code, text):
+        return HttpResponse(text, status=code, content_type="text/plain")
+
+    def _api_response(result):
+        return JsonResponse(data={"result": result})
+
+    if request.method != "POST":
+        return _http_err(405, "Method not allowed")
+
+    if request.content_type != "application/json":
+        return _http_err(415, "Content-Type must be application/json")
+
+    # Validate
+    try:
+        payload = json.loads(request.body)
+        _new_registration_json_validator.validate(payload)
+    except json.decoder.JSONDecodeError as err:
+        return _http_err(400, f"JSON parse error at line {err.lineno} col {err.colno}: {err.msg}")
+    except jsonschema.exceptions.ValidationError as err:
+        return _http_err(400, f"JSON schema error at {err.json_path}: {err.message}")
+    except Exception:
+        return _http_err(400, "Invalid request format")
+
+    # Validate consistency
+    # - if receive multiple records they should be for same meeting, same person (email)
+    if len(payload) > 1:
+        if len(set([r['meeting'] for r in payload])) != 1:
+            return _http_err(400, "Different meeting values")
+        if len(set([r['email'] for r in payload])) != 1:
+            return _http_err(400, "Different email values")
+
+    # Validate meeting
+    number = payload[0]['meeting']
+    try:
+        meeting = Meeting.objects.get(number=number)
+    except Meeting.DoesNotExist:
+        return _http_err(400, "Invalid meeting value: '%s'" % (number, ))
+
+    # Validate email
+    email = payload[0]['email']
+    try:
+        validate_email(email)
+    except ValidationError:
+        return _http_err(400, "Invalid email value: '%s'" % (email, ))
+
+    # get person
+    person = Person.objects.filter(email__address=email).first()
+    if not person:
+        log.log(f"api_new_meeting_registration_v2 no Person found for {email}")
+
+    registration = payload[0]
+    # handle cancelled
+    if registration['cancelled']:
+        if len(payload) > 1:
+            return _http_err(400, "Error. Received cancelled registration notification with more than one record. ({})".format(email))
+        try:
+            obj = Registration.objects.get(meeting=meeting, email=email)
+        except Registration.DoesNotExist:
+            return _http_err(400, "Error. Received cancelled registration notification for non-existing registration. ({})".format(email))
+        if obj.tickets.count() == 1:
+            obj.delete()
+        else:
+            obj.tickets.filter(
+                attendance_type__slug=registration.reg_type,
+                ticket_type__slug=registration.ticket_type).delete()
+        return HttpResponse('Success', status=202, content_type='text/plain')
+
+    # create or update MeetingRegistration
+    update_fields = ['first_name', 'last_name', 'affiliation', 'country_code', 'checkedin', 'is_nomcom_volunteer']
+    try:
+        reg = Registration.objects.get(meeting=meeting, email=email)
+        for key, value in registration.items():
+            if key in update_fields:
+                setattr(reg, key, value)
+        reg.save()
+    except Registration.DoesNotExist:
+        reg = Registration.objects.create(
+            meeting_id=meeting.pk,
+            person=person,
+            email=email,
+            first_name=registration['first_name'],
+            last_name=registration['last_name'],
+            affiliation=registration['affiliation'],
+            country_code=registration['country_code'],
+            checkedin=registration['checkedin'])
+
+    # handle registration tickets
+    reg.tickets.all().delete()
+    for registration in payload:
+        reg.tickets.create(
+            attendance_type_id=registration['reg_type'],
+            ticket_type_id=registration['ticket_type'],
+        )
+        # handle nomcom volunteer
+        if registration['is_nomcom_volunteer'] and person:
+            try:
+                nomcom = NomCom.objects.get(is_accepting_volunteers=True)
+            except (NomCom.DoesNotExist, NomCom.MultipleObjectsReturned):
+                nomcom = None
+            if nomcom:
+                Volunteer.objects.get_or_create(
+                    nomcom=nomcom,
+                    person=person,
+                    defaults={
+                        "affiliation": registration["affiliation"],
+                        "origin": "registration"
+                    }
+                )
+
+    return HttpResponse('Success', status=202, content_type='text/plain')
+
+
 def version(request):
     dumpdate = None
     dumpinfo = DumpInfo.objects.order_by('-date').first()
@@ -545,6 +691,31 @@ def active_email_list(request):
     return HttpResponse(status=405)
 
 
+@requires_api_token
+@csrf_exempt
+def related_email_list(request, email):
+    """Given an email address, returns all other email addresses known
+    to Datatracker, via Person object
+    """
+    def _http_err(code, text):
+        return HttpResponse(text, status=code, content_type="text/plain")
+
+    if request.method == "GET":
+        try:
+            email_obj = Email.objects.get(address=email)
+        except Email.DoesNotExist:
+            return _http_err(404, "Email not found")
+        person = email_obj.person
+        if not person:
+            return JsonResponse({"addresses": []})
+        return JsonResponse(
+            {
+                "addresses": list(person.email_set.exclude(address=email).values_list("address", flat=True)),
+            }
+        )
+    return HttpResponse(status=405)
+
+
 @requires_api_token
 def role_holder_addresses(request):
     if request.method == "GET":
diff --git a/ietf/doc/tests_review.py b/ietf/doc/tests_review.py
index 13ddbc22ba3..9850beca753 100644
--- a/ietf/doc/tests_review.py
+++ b/ietf/doc/tests_review.py
@@ -3,12 +3,12 @@
 
 
 from pathlib import Path
-import datetime, os, shutil
+import datetime
 import io
-import tarfile, tempfile, mailbox
-import email.mime.multipart, email.mime.text, email.utils
+import os
+import shutil
 
-from mock import patch
+from mock import patch, Mock
 from requests import Response
 
 from django.apps import apps
@@ -650,112 +650,132 @@ def test_accept_reviewer_assignment_after_reject(self):
         assignment = reload_db_objects(assignment)
         self.assertEqual(assignment.state_id, "accepted")
 
-    def make_test_mbox_tarball(self, review_req):
-        mbox_path = os.path.join(self.review_dir, "testmbox.tar.gz")
-        with tarfile.open(mbox_path, "w:gz") as tar:
-            with tempfile.NamedTemporaryFile(dir=self.review_dir, suffix=".mbox") as tmp:
-                mbox = mailbox.mbox(tmp.name)
+    @patch('ietf.review.mailarch.requests.post')
+    def test_retrieve_messages(self, mock_post):
+        mock_data = {
+            "results": [
+                {
+                    "from": "Alice <alice@example.com>",
+                    "subject": "Hello",
+                    "content": "Hi\n This is a really good document.\n",
+                    "message_id": "abc123",
+                    "url": "https://example.com/message",
+                    "date": "2025-04-07T12:00:00",
+                }
+            ]
+        }
+        mock_post.return_value.json.return_value = mock_data
 
-                # plain text
-                msg = email.mime.text.MIMEText("Hello,\n\nI have reviewed the document and did not find any problems.\n\nJohn Doe")
-                msg["From"] = "John Doe <johndoe@example.com>"
-                msg["To"] = review_req.team.list_email
-                msg["Subject"] = "Review of {}-01".format(review_req.doc.name)
-                msg["Message-ID"] = email.utils.make_msgid()
-                msg["Archived-At"] = "<https://www.example.com/testmessage>"
-                msg["Date"] = email.utils.formatdate()
-
-                mbox.add(msg)
-
-                # plain text + HTML
-                msg = email.mime.multipart.MIMEMultipart('alternative')
-                msg["From"] = "John Doe II <johndoe2@example.com>"
-                msg["To"] = review_req.team.list_email
-                msg["Subject"] = "Review of {}".format(review_req.doc.name)
-                msg["Message-ID"] = email.utils.make_msgid()
-                msg["Archived-At"] = "<https://www.example.com/testmessage2>"
-
-                msg.attach(email.mime.text.MIMEText("Hi!,\r\nLooks OK!\r\n-John", "plain"))
-                msg.attach(email.mime.text.MIMEText("<html><body><p>Hi!,</p><p>Looks OK!</p><p>-John</p></body></html>", "html"))
-                mbox.add(msg)
-
-                tmp.flush()
-
-                tar.add(os.path.relpath(tmp.name))
+        doc = WgDraftFactory(group__acronym='mars', rev='01')
+        review_team = ReviewTeamFactory(acronym="reviewteam", name="Review Team", type_id="review", list_email="reviewteam@ietf.org", parent=Group.objects.get(acronym="farfut"))
+        rev_role = RoleFactory(group=review_team, person__user__username='reviewer', person__user__email='reviewer@example.com', name_id='reviewer')
+        RoleFactory(group=review_team, person__user__username='reviewsecretary', person__user__email='reviewsecretary@example.com', name_id='secr')
+        review_req = ReviewRequestFactory(doc=doc, team=review_team, type_id='early', state_id='assigned', requested_by=rev_role.person, deadline=timezone.now() + datetime.timedelta(days=20))
+        ReviewAssignmentFactory(review_request=review_req, reviewer=rev_role.person.email_set.first(), state_id='accepted')
 
-                mbox.close()
+        query_data = ietf.review.mailarch.construct_query_data(doc, review_team, query=None)
+        response = ietf.review.mailarch.retrieve_messages(query_data)
 
-        return mbox_path
+        self.assertEqual(len(response), 1)
+        self.assertEqual(response[0]['from'], 'Alice <alice@example.com>')
+        self.assertEqual(response[0]['splitfrom'], ('Alice', 'alice@example.com'))
+        self.assertEqual(response[0]['subject'], 'Hello')
+        self.assertEqual(response[0]['content'], 'Hi\n This is a really good document.')
+        self.assertEqual(response[0]['message_id'], 'abc123')
+        self.assertEqual(response[0]['url'], 'https://example.com/message')
+        self.assertEqual(response[0]['utcdate'], ('2025-04-07', '12:00:00'))
 
-    def test_search_mail_archive(self):
-        doc = WgDraftFactory(group__acronym='mars',rev='01')
+    def test_construct_query_data(self):
+        doc = WgDraftFactory(group__acronym='mars', rev='01')
         review_team = ReviewTeamFactory(acronym="reviewteam", name="Review Team", type_id="review", list_email="reviewteam@ietf.org", parent=Group.objects.get(acronym="farfut"))
-        rev_role = RoleFactory(group=review_team,person__user__username='reviewer',person__user__email='reviewer@example.com',name_id='reviewer')
-        RoleFactory(group=review_team,person__user__username='reviewsecretary',person__user__email='reviewsecretary@example.com',name_id='secr')
-        review_req = ReviewRequestFactory(doc=doc,team=review_team,type_id='early',state_id='assigned',requested_by=rev_role.person,deadline=timezone.now()+datetime.timedelta(days=20))
+        data = ietf.review.mailarch.construct_query_data(doc, review_team, query=None)
+        self.assertEqual(data['start_date'], (date_today() - datetime.timedelta(days=180)).isoformat())
+        self.assertEqual(data['email_list'], 'reviewteam')
+        self.assertEqual(data['query_value'], doc.name)
+        self.assertEqual(data['query'], f'subject:({doc.name})')
+        self.assertEqual(data['limit'], '30')
+
+    @patch('ietf.doc.views_review.requests.post')
+    def test_search_mail_archive(self, mock_post):
+        doc = WgDraftFactory(group__acronym='mars', rev='01')
+        review_team = ReviewTeamFactory(acronym="reviewteam", name="Review Team", type_id="review", list_email="reviewteam@ietf.org", parent=Group.objects.get(acronym="farfut"))
+        rev_role = RoleFactory(group=review_team, person__user__username='reviewer', person__user__email='reviewer@example.com', name_id='reviewer')
+        RoleFactory(group=review_team, person__user__username='reviewsecretary', person__user__email='reviewsecretary@example.com', name_id='secr')
+        review_req = ReviewRequestFactory(doc=doc, team=review_team, type_id='early', state_id='assigned', requested_by=rev_role.person, deadline=timezone.now() + datetime.timedelta(days=20))
         assignment = ReviewAssignmentFactory(review_request=review_req, reviewer=rev_role.person.email_set.first(), state_id='accepted')
 
+        mock_data = {
+            "results": [
+                {
+                    "from": "Alice <alice@example.com>",
+                    "subject": "Review of {}-01".format(review_req.doc.name),
+                    "content": "Hi\n This is a really good document.\n",
+                    "message_id": "abc123",
+                    "url": "https://example.com/message",
+                    "date": "2025-04-07T12:00:00",
+                },
+                {
+                    "from": "Joe <joe@example.com>",
+                    "subject": "Review of {}".format(review_req.doc.name),
+                    "content": "Hi\n I believe this is the best document.\n",
+                    "message_id": "abc456",
+                    "url": "https://example.com/message",
+                    "date": "2025-04-07T12:00:00",
+                }
+            ]
+        }
+        response1 = Mock()
+        response1.json.return_value = mock_data
+
+        response2 = Mock()
+        response2.json.return_value = mock_data
+
+        response3 = Mock()
+        response3.json.return_value = {"results": []}
+
+        mock_post.side_effect = [response1, response2, response3]
+
         # test URL construction
-        query_urls = ietf.review.mailarch.construct_query_urls(doc, review_team)
-        self.assertTrue(review_req.doc.name in query_urls["query_data_url"])
+        query_data = ietf.review.mailarch.construct_query_data(doc, review_team)
+        self.assertTrue(review_req.doc.name in query_data["query_value"])
 
-        # test parsing
-        mbox_path = self.make_test_mbox_tarball(review_req)
+        url = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={"name": doc.name, "assignment_id": assignment.pk})
+        url2 = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={"name": doc.name, "acronym": review_team.acronym})
+        login_testing_unauthorized(self, "reviewsecretary", url)
 
-        try:
-            # mock URL generator and point it to local file - for this
-            # to work, the module (and not the function) must be
-            # imported in the view
-            real_fn = ietf.review.mailarch.construct_query_urls
-            ietf.review.mailarch.construct_query_urls = lambda doc, team, query=None: { "query_data_url": "file://" + os.path.abspath(mbox_path) }
-            url = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={ "name": doc.name, "assignment_id": assignment.pk })
-            url2 = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={ "name": doc.name, "acronym": review_team.acronym })
-            login_testing_unauthorized(self, "reviewsecretary", url)
-
-            r = self.client.get(url)
-            self.assertEqual(r.status_code, 200)
-            messages = r.json()["messages"]
-            self.assertEqual(len(messages), 2)
-
-            r = self.client.get(url2)
-            self.assertEqual(r.status_code, 200)
-            messages = r.json()["messages"]
-            self.assertEqual(len(messages), 2)
-
-            today = date_today(datetime.timezone.utc)
-
-            self.assertEqual(messages[0]["url"], "https://www.example.com/testmessage")
-            self.assertTrue("John Doe" in messages[0]["content"])
-            self.assertEqual(messages[0]["subject"], "Review of {}-01".format(review_req.doc.name))
-            self.assertEqual(messages[0]["revision_guess"], "01")
-            self.assertEqual(messages[0]["splitfrom"], ["John Doe", "johndoe@example.com"])
-            self.assertEqual(messages[0]["utcdate"][0], today.isoformat())
-
-            self.assertEqual(messages[1]["url"], "https://www.example.com/testmessage2")
-            self.assertTrue("Looks OK" in messages[1]["content"])
-            self.assertTrue("<html>" not in messages[1]["content"])
-            self.assertEqual(messages[1]["subject"], "Review of {}".format(review_req.doc.name))
-            self.assertFalse('revision_guess' in messages[1])
-            self.assertEqual(messages[1]["splitfrom"], ["John Doe II", "johndoe2@example.com"])
-            self.assertEqual(messages[1]["utcdate"][0], "")
-
-
-            # Test failure to return mailarch results
-            no_result_path = os.path.join(self.review_dir, "mailarch_no_result.html")
-            with io.open(no_result_path, "w") as f:
-                f.write('Content-Type: text/html\n\n<html><body><div class="xtr"><div class="xtd no-results">No results found</div></div>')
-            ietf.review.mailarch.construct_query_urls = lambda doc, team, query=None: { "query_data_url": "file://" + os.path.abspath(no_result_path) }
-
-            url = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={ "name": doc.name, "assignment_id": assignment.pk })
-
-            r = self.client.get(url)
-            self.assertEqual(r.status_code, 200)
-            result = r.json()
-            self.assertNotIn('messages', result)
-            self.assertIn('No results found', result['error'])
-
-        finally:
-            ietf.review.mailarch.construct_query_urls = real_fn
+        r = self.client.get(url)
+        self.assertEqual(r.status_code, 200)
+        messages = r.json()["messages"]
+        self.assertEqual(len(messages), 2)
+
+        r = self.client.get(url2)
+        self.assertEqual(r.status_code, 200)
+        messages = r.json()["messages"]
+        self.assertEqual(len(messages), 2)
+
+        self.assertEqual(messages[0]["url"], "https://example.com/message")
+        self.assertTrue("Hi" in messages[0]["content"])
+        self.assertEqual(messages[0]["subject"], "Review of {}-01".format(review_req.doc.name))
+        self.assertEqual(messages[0]["revision_guess"], "01")
+        self.assertEqual(messages[0]["splitfrom"], ["Alice", "alice@example.com"])
+        self.assertEqual(messages[0]["utcdate"], ['2025-04-07', '12:00:00'])
+
+        self.assertEqual(messages[1]["url"], "https://example.com/message")
+        self.assertTrue("Hi" in messages[1]["content"])
+        self.assertTrue("<html>" not in messages[1]["content"])
+        self.assertEqual(messages[1]["subject"], "Review of {}".format(review_req.doc.name))
+        self.assertFalse('revision_guess' in messages[1])
+        self.assertEqual(messages[1]["splitfrom"], ["Joe", "joe@example.com"])
+        self.assertEqual(messages[1]["utcdate"], ['2025-04-07', '12:00:00'])
+
+        # Test failure to return mailarch results
+        url = urlreverse('ietf.doc.views_review.search_mail_archive', kwargs={"name": doc.name, "assignment_id": assignment.pk})
+
+        r = self.client.get(url)
+        self.assertEqual(r.status_code, 200)
+        result = r.json()
+        self.assertNotIn('messages', result)
+        self.assertIn('No results found', result['error'])
 
     def test_submit_unsolicited_review_choose_team(self):
         doc = WgDraftFactory(group__acronym='mars', rev='01')
diff --git a/ietf/doc/views_review.py b/ietf/doc/views_review.py
index 1f23c435fa8..6ac0e17791e 100644
--- a/ietf/doc/views_review.py
+++ b/ietf/doc/views_review.py
@@ -958,14 +958,14 @@ def complete_review(request, name, assignment_id=None, acronym=None):
 
         form = CompleteReviewForm(assignment, doc, team, is_reviewer, initial=initial)
 
-    mail_archive_query_urls = mailarch.construct_query_urls(doc, team)
+    mail_archive_query_data = mailarch.construct_query_data(doc, team)
 
     return render(request, 'doc/review/complete_review.html', {
         'doc': doc,
         'team': team,
         'assignment': assignment,
         'form': form,
-        'mail_archive_query_urls': mail_archive_query_urls,
+        'mail_archive_query_data': mail_archive_query_data,
         'revising_review': revising_review,
         'review_to': to,
         'review_cc': cc,
@@ -987,27 +987,25 @@ def search_mail_archive(request, name, acronym=None, assignment_id=None):
     if not (is_reviewer or can_manage_request):
         permission_denied(request, "You do not have permission to perform this action")
 
-    res = mailarch.construct_query_urls(doc, team, query=request.GET.get("query"))
-    if not res:
-        return JsonResponse({ "error": "Couldn't do lookup in mail archive - don't know where to look"})
-
-    MAX_RESULTS = 30
+    query_data = mailarch.construct_query_data(doc, team, query=request.GET.get("query"))
+    if not query_data:
+        return JsonResponse({"error": "Couldn't do lookup in mail archive - don't know where to look"})
 
     try:
-        res["messages"] = mailarch.retrieve_messages(res["query_data_url"])[:MAX_RESULTS]
-        for message in res["messages"]:
+        query_data["messages"] = mailarch.retrieve_messages(query_data)
+        for message in query_data["messages"]:
             try:
                 revision_guess = message["subject"].split(name)[1].split('-')[1]
                 message["revision_guess"] = revision_guess if revision_guess.isnumeric() else None
             except IndexError:
                 pass
     except KeyError as e:
-        res["error"] = "No results found (%s)" % str(e)
+        query_data["error"] = "No results found (%s)" % str(e)
     except Exception as e:
-        res["error"] = "Retrieval from mail archive failed: %s" % str(e)
+        query_data["error"] = "Retrieval from mail archive failed: %s" % str(e)
         # raise # useful when debugging
 
-    return JsonResponse(res)
+    return JsonResponse(query_data)
 
 class EditReviewRequestCommentForm(forms.ModelForm):
     comment = forms.CharField(widget=forms.Textarea, strip=False)
diff --git a/ietf/liaisons/migrations/0002_alter_liaisonstatement_response_contacts.py b/ietf/liaisons/migrations/0002_alter_liaisonstatement_response_contacts.py
new file mode 100644
index 00000000000..ac0a11101b3
--- /dev/null
+++ b/ietf/liaisons/migrations/0002_alter_liaisonstatement_response_contacts.py
@@ -0,0 +1,20 @@
+# Copyright The IETF Trust 2025, All Rights Reserved
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("liaisons", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="liaisonstatement",
+            name="response_contacts",
+            field=models.TextField(
+                blank=True, help_text="Where to send a response", max_length=1024
+            ),
+        ),
+    ]
diff --git a/ietf/liaisons/models.py b/ietf/liaisons/models.py
index f357d6cf8ca..2ad502102c8 100644
--- a/ietf/liaisons/models.py
+++ b/ietf/liaisons/models.py
@@ -33,7 +33,7 @@ class LiaisonStatement(models.Model):
     to_groups = models.ManyToManyField(Group, blank=True, related_name='liaisonstatement_to_set')
     to_contacts = models.CharField(max_length=2000, help_text="Contacts at recipient group")
 
-    response_contacts = models.CharField(blank=True, max_length=255, help_text="Where to send a response") # RFC4053
+    response_contacts = models.TextField(blank=True, max_length=1024, help_text="Where to send a response") # RFC4053
     technical_contacts = models.CharField(blank=True, max_length=255, help_text="Who to contact for clarification") # RFC4053
     action_holder_contacts = models.CharField(blank=True, max_length=255, help_text="Who makes sure action is completed")  # incoming only?
     cc_contacts = models.TextField(blank=True)
diff --git a/ietf/meeting/admin.py b/ietf/meeting/admin.py
index b7e56c7b77d..5d6adb72945 100644
--- a/ietf/meeting/admin.py
+++ b/ietf/meeting/admin.py
@@ -7,7 +7,7 @@
 from ietf.meeting.models import (Attended, Meeting, Room, Session, TimeSlot, Constraint, Schedule,
     SchedTimeSessAssignment, ResourceAssociation, FloorPlan, UrlResource,
     SessionPresentation, ImportantDate, SlideSubmission, SchedulingEvent, BusinessConstraint,
-    ProceedingsMaterial, MeetingHost)
+    ProceedingsMaterial, MeetingHost, Registration, RegistrationTicket)
 
 
 class UrlResourceAdmin(admin.ModelAdmin):
@@ -213,3 +213,33 @@ class AttendedAdmin(admin.ModelAdmin):
     search_fields = ["person__name", "session__group__acronym", "session__meeting__number", "session__name", "session__purpose__name"]
     raw_id_fields= ["person", "session"]
 admin.site.register(Attended, AttendedAdmin)
+
+class MeetingFilter(admin.SimpleListFilter):
+    title = 'Meeting Filter'
+    parameter_name = 'meeting_id'
+
+    def lookups(self, request, model_admin):
+        # Your queryset to limit choices
+        choices = Meeting.objects.filter(type='ietf').values_list('id', 'number')
+        return choices
+
+    def queryset(self, request, queryset):
+        if self.value():
+            return queryset.filter(meeting__id=self.value())
+        return queryset
+class RegistrationAdmin(admin.ModelAdmin):
+    model = Registration
+    # list_filter = [('meeting', Meeting.objects.filter(type='ietf')), ]
+    list_filter = [MeetingFilter, ]
+    list_display = ['meeting', 'first_name', 'last_name', 'affiliation', 'country_code', 'person', 'email', ]
+    search_fields = ['meeting__number', 'first_name', 'last_name', 'affiliation', 'country_code', 'email', ]
+    raw_id_fields = ['person']
+admin.site.register(Registration, RegistrationAdmin)
+
+class RegistrationTicketAdmin(admin.ModelAdmin):
+    model = RegistrationTicket
+    list_filter = ['attendance_type', ]
+    list_display = ['registration', 'attendance_type', 'ticket_type']
+    search_fields = ['registration__first_name', 'registration__last_name', 'registration__email']
+    raw_id_fields = ['registration']
+admin.site.register(RegistrationTicket, RegistrationTicketAdmin)
diff --git a/ietf/meeting/factories.py b/ietf/meeting/factories.py
index eb36e9e756d..b3d21830fec 100644
--- a/ietf/meeting/factories.py
+++ b/ietf/meeting/factories.py
@@ -12,7 +12,7 @@
 from ietf.doc.storage_utils import store_str
 from ietf.meeting.models import (Attended, Meeting, Session, SchedulingEvent, Schedule,
     TimeSlot, SessionPresentation, FloorPlan, Room, SlideSubmission, Constraint,
-    MeetingHost, ProceedingsMaterial)
+    MeetingHost, ProceedingsMaterial, Registration, RegistrationTicket)
 from ietf.name.models import (ConstraintName, SessionStatusName, ProceedingsMaterialTypeName,
                               TimerangeName, SessionPurposeName)
 from ietf.doc.factories import ProceedingsMaterialDocFactory
@@ -318,3 +318,29 @@ class Meta:
 
     session = factory.SubFactory(SessionFactory)
     person = factory.SubFactory(PersonFactory)
+
+
+class RegistrationFactory(factory.django.DjangoModelFactory):
+    class Meta:
+        model = Registration
+        skip_postgeneration_save = True
+
+    meeting = factory.SubFactory(MeetingFactory)
+    person = factory.SubFactory(PersonFactory)
+    email = factory.LazyAttribute(lambda obj: obj.person.email())
+    first_name = factory.LazyAttribute(lambda obj: obj.person.first_name())
+    last_name = factory.LazyAttribute(lambda obj: obj.person.last_name())
+    affiliation = factory.Faker('company')
+    country_code = factory.Faker('country_code')
+    attended = False
+    checkedin = False
+
+
+class RegistrationTicketFactory(factory.django.DjangoModelFactory):
+    class Meta:
+        model = RegistrationTicket
+        skip_postgeneration_save = True
+
+    registration = factory.SubFactory(RegistrationFactory)
+    attendance_type_id = 'onsite'
+    ticket_type_id = 'week_pass'
diff --git a/ietf/meeting/migrations/0012_registration_registrationticket.py b/ietf/meeting/migrations/0012_registration_registrationticket.py
new file mode 100644
index 00000000000..c555f52e8bb
--- /dev/null
+++ b/ietf/meeting/migrations/0012_registration_registrationticket.py
@@ -0,0 +1,90 @@
+# Copyright The IETF Trust 2025, All Rights Reserved
+
+from django.db import migrations, models
+import django.db.models.deletion
+import ietf.utils.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("name", "0017_populate_new_reg_names"),
+        ("person", "0004_alter_person_photo_alter_person_photo_thumb"),
+        ("meeting", "0011_alter_slidesubmission_doc"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Registration",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("first_name", models.CharField(max_length=255)),
+                ("last_name", models.CharField(max_length=255)),
+                ("affiliation", models.CharField(blank=True, max_length=255)),
+                ("country_code", models.CharField(max_length=2)),
+                ("email", models.EmailField(blank=True, max_length=254, null=True)),
+                ("attended", models.BooleanField(default=False)),
+                ("checkedin", models.BooleanField(default=False)),
+                (
+                    "meeting",
+                    ietf.utils.models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="meeting.meeting",
+                    ),
+                ),
+                (
+                    "person",
+                    ietf.utils.models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="person.person",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="RegistrationTicket",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "attendance_type",
+                    ietf.utils.models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="name.attendancetypename",
+                    ),
+                ),
+                (
+                    "registration",
+                    ietf.utils.models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="tickets",
+                        to="meeting.registration",
+                    ),
+                ),
+                (
+                    "ticket_type",
+                    ietf.utils.models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="name.registrationtickettypename",
+                    ),
+                ),
+            ],
+        ),
+    ]
diff --git a/ietf/meeting/models.py b/ietf/meeting/models.py
index 84d151c3105..003f8cd76e4 100644
--- a/ietf/meeting/models.py
+++ b/ietf/meeting/models.py
@@ -1,5 +1,5 @@
-# Copyright The IETF Trust 2007-2024, All Rights Reserved
 # -*- coding: utf-8 -*-
+# Copyright The IETF Trust 2007-2024, All Rights Reserved
 
 
 # old meeting models can be found in ../proceedings/models.py
@@ -34,7 +34,7 @@
 from ietf.name.models import (
     MeetingTypeName, TimeSlotTypeName, SessionStatusName, ConstraintName, RoomResourceName,
     ImportantDateName, TimerangeName, SlideSubmissionStatusName, ProceedingsMaterialTypeName,
-    SessionPurposeName,
+    SessionPurposeName, AttendanceTypeName, RegistrationTicketTypeName
 )
 from ietf.person.models import Person
 from ietf.utils.decorators import memoize
@@ -1483,3 +1483,40 @@ class Meta:
 
     def __str__(self):
         return f'{self.person} at {self.session}'
+
+
+class RegistrationManager(models.Manager):
+    def onsite(self):
+        return self.get_queryset().filter(registrationticket__attendance_type__slug='onsite')
+
+    def remote(self):
+        return self.get_queryset().filter(registrationticket__attendance_type__slug='remote').exclude(registrationticket__attendance_type__slug='onsite')
+
+class Registration(models.Model):
+    """Registration attendee records from the IETF registration system"""
+    meeting = ForeignKey(Meeting)
+    first_name = models.CharField(max_length=255)
+    last_name = models.CharField(max_length=255)
+    affiliation = models.CharField(blank=True, max_length=255)
+    country_code = models.CharField(max_length=2)        # ISO 3166
+    person = ForeignKey(Person, blank=True, null=True, on_delete=models.PROTECT)
+    email = models.EmailField(blank=True, null=True)
+    # attended was used prior to the introduction of the ietf.meeting.Attended model and is still used by
+    # Meeting.get_attendance() for older meetings. It should not be used except for dealing with legacy data.
+    attended = models.BooleanField(default=False)
+    # checkedin indicates that the badge was picked up
+    checkedin = models.BooleanField(default=False)
+
+    # custom manager
+    objects = RegistrationManager()
+
+    def __str__(self):
+        return "{} {}".format(self.first_name, self.last_name)
+
+class RegistrationTicket(models.Model):
+    registration = ForeignKey(Registration, related_name='tickets')
+    attendance_type = ForeignKey(AttendanceTypeName, on_delete=models.PROTECT)
+    ticket_type = ForeignKey(RegistrationTicketTypeName, on_delete=models.PROTECT)
+
+    def __str__(self):
+        return "{}:{}".format(self.attendance_type, self.ticket_type)
diff --git a/ietf/meeting/resources.py b/ietf/meeting/resources.py
index de9ca014765..ede2b5b9939 100644
--- a/ietf/meeting/resources.py
+++ b/ietf/meeting/resources.py
@@ -14,7 +14,8 @@
 from ietf.meeting.models import ( Meeting, ResourceAssociation, Constraint, Room, Schedule, Session,
                                 TimeSlot, SchedTimeSessAssignment, SessionPresentation, FloorPlan,
                                 UrlResource, ImportantDate, SlideSubmission, SchedulingEvent,
-                                BusinessConstraint, ProceedingsMaterial, MeetingHost, Attended)
+                                BusinessConstraint, ProceedingsMaterial, MeetingHost, Attended,
+                                Registration, RegistrationTicket)
 
 from ietf.name.resources import MeetingTypeNameResource
 class MeetingResource(ModelResource):
@@ -431,3 +432,43 @@ class Meta:
             "session": ALL_WITH_RELATIONS,
         }
 api.meeting.register(AttendedResource())
+
+from ietf.meeting.resources import MeetingResource
+from ietf.person.resources import PersonResource
+class RegistrationResource(ModelResource):
+    meeting          = ToOneField(MeetingResource, 'meeting')
+    person           = ToOneField(PersonResource, 'person', null=True)
+    class Meta:
+        queryset = Registration.objects.all()
+        serializer = api.Serializer()
+        cache = SimpleCache()
+        #resource_name = 'registration'
+        ordering = ['id', ]
+        filtering = { 
+            "id": ALL,
+            "first_name": ALL,
+            "last_name": ALL,
+            "affiliation": ALL,
+            "country_code": ALL,
+            "email": ALL,
+            "attended": ALL,
+            "meeting": ALL_WITH_RELATIONS,
+            "person": ALL_WITH_RELATIONS,
+        }
+api.meeting.register(RegistrationResource())
+
+class RegistrationTicketResource(ModelResource):
+    registration          = ToOneField(RegistrationResource, 'registration')
+    class Meta:
+        queryset = RegistrationTicket.objects.all()
+        serializer = api.Serializer()
+        cache = SimpleCache()
+        #resource_name = 'registrationticket'
+        ordering = ['id', ]
+        filtering = { 
+            "id": ALL,
+            "ticket_type": ALL,
+            "attendance_type": ALL,
+            "registration": ALL_WITH_RELATIONS,
+        }
+api.meeting.register(RegistrationTicketResource())
diff --git a/ietf/meeting/tasks.py b/ietf/meeting/tasks.py
index 2b7c2fca91f..f1b7e8e079a 100644
--- a/ietf/meeting/tasks.py
+++ b/ietf/meeting/tasks.py
@@ -9,6 +9,7 @@
 from .models import Meeting
 from .utils import generate_proceedings_content
 from .views import generate_agenda_data
+from .utils import migrate_registrations, check_migrate_registrations
 
 
 @shared_task
@@ -17,6 +18,22 @@ def agenda_data_refresh():
 
 
 @shared_task
+def migrate_registrations_task(initial=False):
+    """ Migrate ietf.stats.MeetingRegistration to ietf.meeting.Registration
+        If initial is True, migrate all meetings otherwise only future meetings.
+        This function is idempotent. It can be run regularly from cron.
+    """
+    migrate_registrations(initial=initial)
+
+
+@shared_task
+def check_migrate_registrations_task():
+    """ Compare MeetingRegistration with Registration to ensure
+        all records migrated
+    """
+    check_migrate_registrations()
+
+
 def proceedings_content_refresh_task(*, all=False):
     """Refresh meeting proceedings cache
 
diff --git a/ietf/meeting/tests_utils.py b/ietf/meeting/tests_utils.py
new file mode 100644
index 00000000000..4bda3a65fa8
--- /dev/null
+++ b/ietf/meeting/tests_utils.py
@@ -0,0 +1,91 @@
+# Copyright The IETF Trust 2025, All Rights Reserved
+# -*- coding: utf-8 -*-
+
+import datetime
+import debug  # pyflakes: ignore
+from ietf.meeting.factories import MeetingFactory # RegistrationFactory, RegistrationTicketFactory
+from ietf.meeting.models import Registration
+from ietf.meeting.utils import migrate_registrations, get_preferred
+from ietf.stats.factories import MeetingRegistrationFactory
+from ietf.utils.test_utils import TestCase
+
+
+class MigrateRegistrationsTests(TestCase):
+    def test_new_meeting_registration(self):
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        reg = MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        self.assertEqual(Registration.objects.count(), 0)
+        migrate_registrations(initial=True)
+        self.assertEqual(Registration.objects.count(), 1)
+        new = Registration.objects.first()
+        self.assertEqual(new.first_name, reg.first_name)
+        self.assertEqual(new.last_name, reg.last_name)
+        self.assertEqual(new.email, reg.email)
+        self.assertEqual(new.person, reg.person)
+        self.assertEqual(new.meeting, meeting)
+        self.assertEqual(new.affiliation, reg.affiliation)
+        self.assertEqual(new.country_code, reg.country_code)
+        self.assertEqual(new.checkedin, reg.checkedin)
+        self.assertEqual(new.attended, reg.attended)
+
+    def test_migrate_non_initial(self):
+        # with only old meeting
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        self.assertEqual(Registration.objects.count(), 0)
+        migrate_registrations()
+        self.assertEqual(Registration.objects.count(), 0)
+        # with new meeting
+        new_meeting = MeetingFactory(type_id='ietf', number='150')
+        new_meeting.date = datetime.date.today() + datetime.timedelta(days=30)
+        new_meeting.save()
+        MeetingRegistrationFactory(meeting=new_meeting, reg_type='onsite', ticket_type='week_pass')
+        migrate_registrations()
+        self.assertEqual(Registration.objects.count(), 1)
+
+    def test_updated_meeting_registration(self):
+        # setup test initial conditions
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        reg = MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        migrate_registrations(initial=True)
+        # change first_name and save
+        original = reg.first_name
+        reg.first_name = 'NewBob'
+        reg.save()
+        new = Registration.objects.first()
+        self.assertEqual(new.first_name, original)
+        migrate_registrations(initial=True)
+        new.refresh_from_db()
+        self.assertEqual(new.first_name, reg.first_name)
+
+    def test_additional_ticket(self):
+        # setup test initial conditions
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        reg = MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        migrate_registrations(initial=True)
+        new = Registration.objects.first()
+        self.assertEqual(new.tickets.count(), 1)
+        # add a second ticket
+        reg.reg_type = 'remote'
+        reg.pk = None
+        reg.save()
+        migrate_registrations(initial=True)
+        # new.refresh_from_db()
+        self.assertEqual(new.tickets.count(), 2)
+        
+    def test_cancelled_registration(self):
+        # setup test initial conditions
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        reg = MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        migrate_registrations(initial=True)
+        reg.delete()
+        # do test
+        migrate_registrations(initial=True)
+        self.assertEqual(Registration.objects.count(), 0)
+    
+    def test_get_preferred(self):
+        meeting = MeetingFactory(type_id='ietf', number='109')
+        onsite = MeetingRegistrationFactory(meeting=meeting, reg_type='onsite', ticket_type='week_pass')
+        hackathon = MeetingRegistrationFactory(meeting=meeting, reg_type='hackathon_onsite', ticket_type='week_pass')
+        result = get_preferred([onsite, hackathon])
+        self.assertEqual(result, onsite)
diff --git a/ietf/meeting/tests_views.py b/ietf/meeting/tests_views.py
index a93a26b9815..dfb414b61b0 100644
--- a/ietf/meeting/tests_views.py
+++ b/ietf/meeting/tests_views.py
@@ -7736,6 +7736,44 @@ def test_add_session_recordings(self):
         self.assertEqual(r.status_code, 404)
         self.assertFalse(mock_delete.called)
 
+    def test_show_chatlog_links(self):
+        meeting = MeetingFactory(type_id='ietf', number='122')
+        session = SessionFactory(meeting=meeting)
+        doc_name = 'chatlog-72-mars-197001010000'
+        SessionPresentation.objects.create(session=session,document=DocumentFactory(type_id='chatlog', name=doc_name))
+
+        session_url = urlreverse('ietf.meeting.views.session_details', 
+                                 kwargs={'num':meeting.number, 'acronym':session.group.acronym})
+
+        r = self.client.get(session_url)
+
+        self.assertEqual(r.status_code, 200)
+
+        q = PyQuery(r.content)
+
+        # Find the chatlog link in the desktop view
+        link_chatlog_box = q(f'a[title="Chat logs for {session.group.acronym}"]')
+        self.assertTrue(link_chatlog_box, 'Expected <a> element with title "Chat logs for {group.acronym}" not found.')
+        self.assertEqual(link_chatlog_box.attr('href'), '/doc/'+ doc_name)
+
+        # Find the chatlog link in the mobile view
+        link_chatlog_list = q('li:contains("Chat logs")')
+        self.assertTrue(link_chatlog_list, 'Expected <li> element containing "Chat logs" not found.')
+        self.assertEqual(link_chatlog_list.find('a').attr('href'), '/doc/'+ doc_name)
+
+    def test_hide_chatlog_links(self):
+        # mock meeting and session, but no chatlog document
+        meeting = MeetingFactory(type_id='ietf', number='122')
+        session = SessionFactory(meeting=meeting)
+
+        session_url = urlreverse('ietf.meeting.views.session_details', 
+                                 kwargs={'num':meeting.number, 'acronym':session.group.acronym})
+
+        r = self.client.get(session_url)
+
+        self.assertEqual(r.status_code, 200)
+        # validate no links for chat logs exist
+        self.assertNotContains(r, 'Chat logs')
 
 
 class HasMeetingsTests(TestCase):
diff --git a/ietf/meeting/utils.py b/ietf/meeting/utils.py
index 9603278399f..d35914fd60a 100644
--- a/ietf/meeting/utils.py
+++ b/ietf/meeting/utils.py
@@ -26,7 +26,8 @@
 from ietf.dbtemplate.models import DBTemplate
 from ietf.doc.storage_utils import store_bytes, store_str
 from ietf.meeting.models import (Session, SchedulingEvent, TimeSlot,
-    Constraint, SchedTimeSessAssignment, SessionPresentation, Attended)
+    Constraint, SchedTimeSessAssignment, SessionPresentation, Attended,
+    Registration, Meeting)
 from ietf.doc.models import Document, State, NewRevisionDocEvent, StateDocEvent
 from ietf.doc.models import DocEvent
 from ietf.group.models import Group
@@ -1013,6 +1014,112 @@ def participants_for_meeting(meeting):
     return (checked_in, attended)
 
 
+def get_preferred(regs):
+    """ Return a preferred regular registration (non hackathon) from 
+        a list of registrations if there is one, otherwise any.
+    """
+    for reg in regs:
+        if reg.reg_type in ['onsite', 'remote']:
+            return reg
+    return reg
+
+
+def migrate_registrations(initial=False):
+    """ Migrate ietf.stats.MeetingRegistration to ietf.meeting.Registration
+        If initial is True, migrate all meetings otherwise only future meetings.
+        This function is idempotent. It can be run regularly from cron.
+    """
+    if initial:
+        meetings = Meeting.objects.filter(type='ietf')
+        MeetingRegistration.objects.filter(reg_type='hackathon').update(reg_type='hackathon_remote')
+        MeetingRegistration.objects.filter(ticket_type='full_week_pass').update(ticket_type='week_pass')
+        MeetingRegistration.objects.filter(pk=49645).update(ticket_type='one_day')
+        MeetingRegistration.objects.filter(pk=50804).update(ticket_type='week_pass')
+        MeetingRegistration.objects.filter(pk=42386).update(ticket_type='week_pass')
+        MeetingRegistration.objects.filter(pk=42782).update(ticket_type='one_day')
+        MeetingRegistration.objects.filter(pk=43464).update(ticket_type='week_pass')
+    else:
+        # still process records during week of meeting
+        one_week_ago = datetime.date.today() - datetime.timedelta(days=7)
+        meetings = Meeting.objects.filter(type='ietf', date__gt=one_week_ago)
+
+    for meeting in meetings:
+        # gather all MeetingRegistrations by person (email)
+        emails = {}
+        for meeting_reg in MeetingRegistration.objects.filter(meeting=meeting):
+            if meeting_reg.email in emails:
+                emails[meeting_reg.email].append(meeting_reg)
+            else:
+                emails[meeting_reg.email] = [meeting_reg]
+        # process each person's registrations
+        for email, meeting_regs in emails.items():
+            preferred_reg = get_preferred(meeting_regs)
+            reg, created = Registration.objects.get_or_create(
+                meeting=meeting,
+                email=email,
+                defaults={
+                    'first_name': preferred_reg.first_name,
+                    'last_name': preferred_reg.last_name,
+                    'affiliation': preferred_reg.affiliation,
+                    'country_code': preferred_reg.country_code,
+                    'person': preferred_reg.person,
+                    'attended': preferred_reg.attended,
+                    'checkedin': preferred_reg.checkedin,
+                }
+            )
+            if created:
+                for meeting_reg in meeting_regs:
+                    reg.tickets.create(
+                        attendance_type_id=meeting_reg.reg_type or 'unknown',
+                        ticket_type_id=meeting_reg.ticket_type or 'unknown',
+                    )
+            else:
+                # check if tickets differ
+                reg_tuple_list = [(t.attendance_type_id, t.ticket_type_id) for t in reg.tickets.all()]
+                meeting_reg_tuple_list = [(mr.reg_type or 'unknown', mr.ticket_type or 'unknown') for mr in meeting_regs]
+                if not set(reg_tuple_list) == set(meeting_reg_tuple_list):
+                    # update tickets
+                    reg.tickets.all().delete()
+                    for meeting_reg in meeting_regs:
+                        reg.tickets.create(
+                            attendance_type_id=meeting_reg.reg_type or 'unknown',
+                            ticket_type_id=meeting_reg.ticket_type or 'unknown',
+                        )
+                # check fields for updates
+                fields_to_check = [
+                    'first_name', 'last_name', 'affiliation', 'country_code',
+                    'attended', 'checkedin'
+                ]
+
+                changed = False
+                for field in fields_to_check:
+                    new_value = getattr(preferred_reg, field)
+                    if getattr(reg, field) != new_value:
+                        setattr(reg, field, new_value)
+                        changed = True
+
+                if changed:
+                    reg.save()
+        # delete cancelled Registrations
+        meeting_reg_email_set = set(emails.keys())
+        reg_email_set = set(Registration.objects.filter(meeting=meeting).values_list('email', flat=True))
+        for email in reg_email_set - meeting_reg_email_set:
+            Registration.objects.filter(meeting=meeting, email=email).delete()
+
+    return
+
+
+def check_migrate_registrations():
+    """A simple utility function to test that all MeetingRegistration
+    records got migrated
+    """
+    for mr in MeetingRegistration.objects.all():
+        reg = Registration.objects.get(meeting=mr.meeting, email=mr.email)
+        assert reg.tickets.filter(
+            attendance_type__slug=mr.reg_type or 'unknown',
+            ticket_type__slug=mr.ticket_type or 'unknown').exists()
+
+
 def generate_proceedings_content(meeting, force_refresh=False):
     """Render proceedings content for a meeting and update cache
     
diff --git a/ietf/meeting/views.py b/ietf/meeting/views.py
index 722bf829e1b..591b934b58e 100644
--- a/ietf/meeting/views.py
+++ b/ietf/meeting/views.py
@@ -23,6 +23,7 @@
 from urllib.parse import parse_qs, unquote, urlencode, urlsplit, urlunsplit, urlparse
 from tempfile import mkstemp
 from wsgiref.handlers import format_date_time
+from itertools import chain
 
 from django import forms
 from django.core.cache import caches
@@ -2496,7 +2497,12 @@ def session_details(request, num, acronym):
         session.filtered_artifacts.sort(key=lambda d:artifact_types.index(d.document.type.slug))
         session.filtered_slides    = session.presentations.filter(document__type__slug='slides').order_by('order')
         session.filtered_drafts    = session.presentations.filter(document__type__slug='draft')
-        session.filtered_chatlog_and_polls = session.presentations.filter(document__type__slug__in=('chatlog', 'polls')).order_by('document__type__slug')
+        
+        filtered_polls = session.presentations.filter(document__type__slug=('polls'))
+        filtered_chatlogs = session.presentations.filter(document__type__slug=('chatlog'))
+        session.filtered_chatlog_and_polls = chain(filtered_chatlogs, filtered_polls)
+        session.chatlog = filtered_chatlogs.first()
+
         # TODO FIXME Deleted materials shouldn't be in the presentations
         for qs in [session.filtered_artifacts,session.filtered_slides,session.filtered_drafts]:
             qs = [p for p in qs if p.document.get_state_slug(p.document.type_id)!='deleted']
diff --git a/ietf/name/admin.py b/ietf/name/admin.py
index 2458da37d9b..4336e0569c7 100644
--- a/ietf/name/admin.py
+++ b/ietf/name/admin.py
@@ -3,6 +3,7 @@
 
 from ietf.name.models import (
     AgendaTypeName,
+    AttendanceTypeName,
     BallotPositionName,
     ConstraintName,
     ContinentName,
@@ -29,6 +30,7 @@
     LiaisonStatementTagName,
     MeetingTypeName,
     NomineePositionStateName,
+    RegistrationTicketTypeName,
     ReviewRequestStateName,
     ReviewResultName,
     ReviewTypeName,
@@ -137,6 +139,7 @@ class ProceedingsMaterialTypeNameAdmin(NameAdmin):
 admin.site.register(AgendaFilterTypeName, NameAdmin)
 admin.site.register(AgendaTypeName, NameAdmin)
 admin.site.register(AppealArtifactTypeName, NameAdmin)
+admin.site.register(AttendanceTypeName, NameAdmin)
 admin.site.register(BallotPositionName, NameAdmin)
 admin.site.register(ConstraintName, NameAdmin)
 admin.site.register(ContinentName, NameAdmin)
@@ -158,6 +161,7 @@ class ProceedingsMaterialTypeNameAdmin(NameAdmin):
 admin.site.register(LiaisonStatementTagName, NameAdmin)
 admin.site.register(MeetingTypeName, NameAdmin)
 admin.site.register(NomineePositionStateName, NameAdmin)
+admin.site.register(RegistrationTicketTypeName, NameAdmin)
 admin.site.register(ReviewRequestStateName, NameAdmin)
 admin.site.register(ReviewAssignmentStateName, NameAdmin)
 admin.site.register(ReviewResultName, NameAdmin)
diff --git a/ietf/name/fixtures/names.json b/ietf/name/fixtures/names.json
index 96273fbc35f..15ae71d8497 100644
--- a/ietf/name/fixtures/names.json
+++ b/ietf/name/fixtures/names.json
@@ -6827,6 +6827,66 @@
     "model": "name.appealartifacttypename",
     "pk": "response"
   },
+  {
+    "fields": {
+      "desc": "",
+      "name": "ANRW Onsite",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "anrw_onsite"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Hackathon Onsite",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "hackathon_onsite"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Hackathon Remote",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "hackathon_remote"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Onsite",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "onsite"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Remote",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "remote"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Unknown",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.attendancetypename",
+    "pk": "unknown"
+  },
   {
     "fields": {
       "blocking": false,
@@ -12877,6 +12937,86 @@
     "model": "name.proceedingsmaterialtypename",
     "pk": "wiki"
   },
+  {
+    "fields": {
+      "desc": "",
+      "name": "ANRW Combo",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "anrw_combo"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "ANRW Only",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "anrw_only"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Hackathon Combo",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "hackathon_combo"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Hackathon Only",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "hackathon_only"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "One Day",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "one_day"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Student",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "student"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Unknown",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "unknown"
+  },
+  {
+    "fields": {
+      "desc": "",
+      "name": "Week Pass",
+      "order": 0,
+      "used": true
+    },
+    "model": "name.registrationtickettypename",
+    "pk": "week_pass"
+  },
   {
     "fields": {
       "desc": "The reviewer has accepted the assignment",
diff --git a/ietf/name/migrations/0016_attendancetypename_registrationtickettypename.py b/ietf/name/migrations/0016_attendancetypename_registrationtickettypename.py
new file mode 100644
index 00000000000..9376d3a4c6b
--- /dev/null
+++ b/ietf/name/migrations/0016_attendancetypename_registrationtickettypename.py
@@ -0,0 +1,47 @@
+# Generated by Django 4.2.17 on 2025-01-02 18:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("name", "0015_last_call_name"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="AttendanceTypeName",
+            fields=[
+                (
+                    "slug",
+                    models.CharField(max_length=32, primary_key=True, serialize=False),
+                ),
+                ("name", models.CharField(max_length=255)),
+                ("desc", models.TextField(blank=True)),
+                ("used", models.BooleanField(default=True)),
+                ("order", models.IntegerField(default=0)),
+            ],
+            options={
+                "ordering": ["order", "name"],
+                "abstract": False,
+            },
+        ),
+        migrations.CreateModel(
+            name="RegistrationTicketTypeName",
+            fields=[
+                (
+                    "slug",
+                    models.CharField(max_length=32, primary_key=True, serialize=False),
+                ),
+                ("name", models.CharField(max_length=255)),
+                ("desc", models.TextField(blank=True)),
+                ("used", models.BooleanField(default=True)),
+                ("order", models.IntegerField(default=0)),
+            ],
+            options={
+                "ordering": ["order", "name"],
+                "abstract": False,
+            },
+        ),
+    ]
diff --git a/ietf/name/migrations/0017_populate_new_reg_names.py b/ietf/name/migrations/0017_populate_new_reg_names.py
new file mode 100644
index 00000000000..51954885c0b
--- /dev/null
+++ b/ietf/name/migrations/0017_populate_new_reg_names.py
@@ -0,0 +1,39 @@
+# Generated by Django 4.2.17 on 2025-01-02 18:26
+
+from django.db import migrations
+
+def forward(apps, schema_editor):
+    AttendanceTypeName = apps.get_model('name', 'AttendanceTypeName')
+    RegistrationTicketTypeName = apps.get_model('name', 'RegistrationTicketTypeName')
+    AttendanceTypeName.objects.create(slug='onsite', name='Onsite')
+    AttendanceTypeName.objects.create(slug='remote', name='Remote')
+    AttendanceTypeName.objects.create(slug='hackathon_onsite', name='Hackathon Onsite')
+    AttendanceTypeName.objects.create(slug='hackathon_remote', name='Hackathon Remote')
+    AttendanceTypeName.objects.create(slug='anrw_onsite', name='ANRW Onsite')
+    AttendanceTypeName.objects.create(slug='unknown', name='Unknown')
+    RegistrationTicketTypeName.objects.create(slug='week_pass', name='Week Pass')
+    RegistrationTicketTypeName.objects.create(slug='one_day', name='One Day')
+    RegistrationTicketTypeName.objects.create(slug='student', name='Student')
+    RegistrationTicketTypeName.objects.create(slug='hackathon_only', name='Hackathon Only')
+    RegistrationTicketTypeName.objects.create(slug='hackathon_combo', name='Hackathon Combo')
+    RegistrationTicketTypeName.objects.create(slug='anrw_only', name='ANRW Only')
+    RegistrationTicketTypeName.objects.create(slug='anrw_combo', name='ANRW Combo')
+    RegistrationTicketTypeName.objects.create(slug='unknown', name='Unknown')
+
+
+def reverse(apps, schema_editor):
+    AttendanceTypeName = apps.get_model('name', 'AttendanceTypeName')
+    RegistrationTicketTypeName = apps.get_model('name', 'RegistrationTicketTypeName')
+    AttendanceTypeName.objects.delete()
+    RegistrationTicketTypeName.objects.delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("name", "0016_attendancetypename_registrationtickettypename"),
+    ]
+
+    operations = [
+        migrations.RunPython(forward, reverse),
+    ]
diff --git a/ietf/name/models.py b/ietf/name/models.py
index 8c2520a4896..0e87d43548f 100644
--- a/ietf/name/models.py
+++ b/ietf/name/models.py
@@ -151,6 +151,9 @@ class SlideSubmissionStatusName(NameModel):
     "Pending, Accepted, Rejected"
 class TelechatAgendaSectionName(NameModel):
     """roll_call, minutes, action_items"""
-
 class AppealArtifactTypeName(NameModel):
     pass
+class AttendanceTypeName(NameModel):
+    """onsite, remote, hackathon_onsite, hackathon_remote"""
+class RegistrationTicketTypeName(NameModel):
+    """week, one_day, student"""
diff --git a/ietf/name/resources.py b/ietf/name/resources.py
index dffa7669dba..0cb0e41e0b7 100644
--- a/ietf/name/resources.py
+++ b/ietf/name/resources.py
@@ -19,7 +19,7 @@
     RoleName, RoomResourceName, SessionStatusName, StdLevelName, StreamName, TimeSlotTypeName,
     TopicAudienceName, ReviewerQueuePolicyName, TimerangeName, ExtResourceTypeName, ExtResourceName,
     SlideSubmissionStatusName, ProceedingsMaterialTypeName, SessionPurposeName, TelechatAgendaSectionName,
-    AppealArtifactTypeName )
+    AppealArtifactTypeName, AttendanceTypeName, RegistrationTicketTypeName )
 
 class TimeSlotTypeNameResource(ModelResource):
     class Meta:
@@ -752,3 +752,33 @@ class Meta:
             "order": ALL,
         }
 api.name.register(AppealArtifactTypeNameResource())
+
+
+class AttendanceTypeNameResource(ModelResource):
+    class Meta:
+        cache = SimpleCache()
+        queryset = AttendanceTypeName.objects.all()
+        serializer = api.Serializer()
+        filtering = { 
+            "slug": ALL,
+            "name": ALL,
+            "desc": ALL,
+            "used": ALL,
+            "order": ALL,
+        }
+api.name.register(AttendanceTypeNameResource())
+
+
+class RegistrationTicketTypeNameResource(ModelResource):
+    class Meta:
+        cache = SimpleCache()
+        queryset = RegistrationTicketTypeName.objects.all()
+        serializer = api.Serializer()
+        filtering = { 
+            "slug": ALL,
+            "name": ALL,
+            "desc": ALL,
+            "used": ALL,
+            "order": ALL,
+        }
+api.name.register(RegistrationTicketTypeNameResource())
diff --git a/ietf/review/mailarch.py b/ietf/review/mailarch.py
index c34a6079ce7..61abc83aa54 100644
--- a/ietf/review/mailarch.py
+++ b/ietf/review/mailarch.py
@@ -6,25 +6,18 @@
 # mailarchive.ietf.org
 
 import base64
-import contextlib
 import datetime
 import email.utils
 import hashlib
-import mailbox
-import tarfile
-import tempfile
-
-from urllib.parse import urlencode
-from urllib.request import urlopen
+import requests
 
 import debug                            # pyflakes:ignore
 
-from pyquery import PyQuery
 
 from django.conf import settings
 from django.utils.encoding import force_bytes, force_str
 
-from ietf.utils.mail import get_payload_text
+from ietf.utils.log import log
 from ietf.utils.timezone import date_today
 
 
@@ -43,7 +36,7 @@ def hash_list_message_id(list_name, msgid):
     sha.update(force_bytes(list_name))
     return force_str(base64.urlsafe_b64encode(sha.digest()).rstrip(b"="))
 
-def construct_query_urls(doc, team, query=None):
+def construct_query_data(doc, team, query=None):
     list_name = list_name_from_email(team.list_email)
     if not list_name:
         return None
@@ -51,83 +44,48 @@ def construct_query_urls(doc, team, query=None):
     if not query:
         query = doc.name
 
-    encoded_query = "?" + urlencode({
-        "qdr": "c", # custom time frame
-        "start_date": (date_today() - datetime.timedelta(days=180)).isoformat(),
-        "email_list": list_name,
-        "q": "subject:({})".format(query),
-        "as": "1", # this is an advanced search
-    })
-
-    return {
-        "query": query,
-        "query_url": settings.MAILING_LIST_ARCHIVE_URL + "/arch/search/" + encoded_query,
-        "query_data_url": settings.MAILING_LIST_ARCHIVE_URL + "/arch/export/mbox/" + encoded_query,
+    query_data = {
+        'start_date': (date_today() - datetime.timedelta(days=180)).isoformat(),
+        'email_list': list_name,
+        'query_value': query,
+        'query': f'subject:({query})',
+        'limit': '30',
     }
+    return query_data
 
 def construct_message_url(list_name, msgid):
     return "{}/arch/msg/{}/{}".format(settings.MAILING_LIST_ARCHIVE_URL, list_name, hash_list_message_id(list_name, msgid))
 
-def retrieve_messages_from_mbox(mbox_fileobj):
-    """Return selected content in message from mbox from mailarch."""
-    res = []
-    with tempfile.NamedTemporaryFile(suffix=".mbox") as mbox_file:
-        # mailbox.mbox needs a path, so we need to put the contents
-        # into a file
-        mbox_data = mbox_fileobj.read()
-        mbox_file.write(mbox_data)
-        mbox_file.flush()
-
-        mbox = mailbox.mbox(mbox_file.name, create=False)
-        for msg in mbox:
-            content = ""
-
-            for part in msg.walk():
-                if part.get_content_type() == "text/plain":
-                    charset = part.get_content_charset() or "utf-8"
-                    content += get_payload_text(part, default_charset=charset)
-
-            # parse a couple of things for the front end
-            utcdate = None
-            d = email.utils.parsedate_tz(msg["Date"])
-            if d:
-                utcdate = datetime.datetime.fromtimestamp(email.utils.mktime_tz(d), datetime.timezone.utc)
-
-            res.append({
-                "from": msg["From"],
-                "splitfrom": email.utils.parseaddr(msg["From"]),
-                "subject": msg["Subject"],
-                "content": content.replace("\r\n", "\n").replace("\r", "\n").strip("\n"),
-                "message_id": email.utils.unquote(msg["Message-ID"].strip()),
-                "url": email.utils.unquote(msg["Archived-At"].strip()),
-                "date": msg["Date"],
-                "utcdate": (utcdate.date().isoformat(), utcdate.time().isoformat()) if utcdate else ("", ""),
-            })
-        mbox.close()
-
-    return res
-
-def retrieve_messages(query_data_url):
+def retrieve_messages(query_data):
     """Retrieve and return selected content from mailarch."""
-    res = []
-
-    # This has not been rewritten to use requests.get() because get() does
-    # not handle file URLs out of the box, which we need for tesing
-    with contextlib.closing(urlopen(query_data_url, timeout=15)) as fileobj:
-        content_type = fileobj.info()["Content-type"]
-        if not content_type.startswith("application/x-tar"):
-            if content_type.startswith("text/html"):
-                r = fileobj.read(20000)
-                q = PyQuery(r)
-                div = q('div[class~="no-results"]')
-                if div:
-                    raise KeyError("No results: %s -> %s" % (query_data_url, div.text(), ))
-            raise Exception("Export failed - this usually means no matches were found")
-
-        with tarfile.open(fileobj=fileobj, mode='r|*') as tar:
-            for entry in tar:
-                if entry.isfile():
-                    mbox_fileobj = tar.extractfile(entry)
-                    res.extend(retrieve_messages_from_mbox(mbox_fileobj))
-
-    return res
+
+    headers = {'X-Api-Key': settings.MAILING_LIST_ARCHIVE_API_KEY}
+    try:
+        response = requests.post(
+            settings.MAILING_LIST_ARCHIVE_SEARCH_URL,
+            headers=headers,
+            json=query_data,
+            timeout=settings.DEFAULT_REQUESTS_TIMEOUT)
+    except requests.Timeout as exc:
+        log(f'POST request failed for [{query_data["url"]}]: {exc}')
+        raise RuntimeError(f'Timeout retrieving [{query_data["url"]}]') from exc
+
+    results = []
+    jresponse = response.json()
+    if 'results' not in jresponse or len(jresponse['results']) == 0:
+        raise KeyError(f'No results: {query_data["query"]}')
+    for msg in jresponse['results']:
+        # datetime is already UTC
+        dt = datetime.datetime.fromisoformat(msg['date'])
+        dt_utc = dt.replace(tzinfo=datetime.timezone.utc)
+        results.append({
+            "from": msg["from"],
+            "splitfrom": email.utils.parseaddr(msg["from"]),
+            "subject": msg["subject"],
+            "content": msg["content"].replace("\r\n", "\n").replace("\r", "\n").strip("\n"),
+            "message_id": msg["message_id"],
+            "url": msg["url"],
+            "utcdate": (dt_utc.date().isoformat(), dt_utc.time().isoformat()),
+        })
+
+    return results
diff --git a/ietf/secr/announcement/forms.py b/ietf/secr/announcement/forms.py
index 3fe58bdaaab..820ef79a093 100644
--- a/ietf/secr/announcement/forms.py
+++ b/ietf/secr/announcement/forms.py
@@ -14,30 +14,41 @@
 # Globals
 # ---------------------------------------------
 
-TO_LIST = ('IETF Announcement List <ietf-announce@ietf.org>',
-           'I-D Announcement List <i-d-announce@ietf.org>',
-           'RFP Announcement List <rfp-announce@ietf.org>',
-           'The IESG <iesg@ietf.org>',
-           'Working Group Chairs <wgchairs@ietf.org>',
-           'BOF Chairs <bofchairs@ietf.org>',
-           'Other...')
+TO_LIST = (
+    "IETF Announcement List <ietf-announce@ietf.org>",
+    "I-D Announcement List <i-d-announce@ietf.org>",
+    "RFP Announcement List <rfp-announce@ietf.org>",
+    "The IESG <iesg@ietf.org>",
+    "Working Group Chairs <wgchairs@ietf.org>",
+    "BOF Chairs <bofchairs@ietf.org>",
+    "Other...",
+)
 
 # ---------------------------------------------
 # Helper Functions
 # ---------------------------------------------
 
+
 def get_from_choices(user):
-    '''
+    """
     This function returns a choices tuple containing
     all the Announced From choices.  Including
     leadership chairs and other entities.
-    '''
+    """
     addresses = []
-    if has_role(user,'Secretariat'):
-        addresses = AnnouncementFrom.objects.values_list('address', flat=True).order_by('address').distinct()
+    if has_role(user, "Secretariat"):
+        addresses = (
+            AnnouncementFrom.objects.values_list("address", flat=True)
+            .order_by("address")
+            .distinct()
+        )
     else:
         for role in user.person.role_set.all():
-            addresses.extend(AnnouncementFrom.objects.filter(name=role.name, group=role.group).values_list('address', flat=True).order_by('address'))
+            addresses.extend(
+                AnnouncementFrom.objects.filter(name=role.name, group=role.group)
+                .values_list("address", flat=True)
+                .order_by("address")
+            )
 
     nomcom_choices = get_nomcom_choices(user)
     if nomcom_choices:
@@ -45,65 +56,91 @@ def get_from_choices(user):
 
     choices = list(zip(addresses, addresses))
     if len(choices) > 1:
-        choices.insert(0, ('', '(Choose an option)'))
+        choices.insert(0, ("", "(Choose an option)"))
     return choices
 
 
 def get_nomcom_choices(user):
-    '''
+    """
     Returns the list of nomcom email addresses for given user
-    '''
-    nomcoms = Role.objects.filter(name="chair",
-                                  group__acronym__startswith="nomcom",
-                                  group__state="active",
-                                  group__type="nomcom",
-                                  person=user.person)
+    """
+    nomcoms = Role.objects.filter(
+        name="chair",
+        group__acronym__startswith="nomcom",
+        group__state="active",
+        group__type="nomcom",
+        person=user.person,
+    )
     addresses = []
     for nomcom in nomcoms:
         year = nomcom.group.acronym[-4:]
-        addresses.append('NomCom Chair %s <nomcom-chair-%s@ietf.org>' % (year,year))
+        addresses.append("NomCom Chair %s <nomcom-chair-%s@ietf.org>" % (year, year))
 
     return addresses
-        
+
 
 def get_to_choices():
-    return list(zip(TO_LIST,TO_LIST))
+    return list(zip(TO_LIST, TO_LIST))
 
 
 # ---------------------------------------------
 # Forms
 # ---------------------------------------------
 
+
 class AnnounceForm(forms.ModelForm):
-    nomcom = forms.ModelChoiceField(queryset=Group.objects.filter(acronym__startswith='nomcom',type='nomcom',state='active'),required=False)
+    nomcom = forms.ModelChoiceField(
+        queryset=Group.objects.filter(
+            acronym__startswith="nomcom", type="nomcom", state="active"
+        ),
+        required=False,
+    )
     to_custom = MultiEmailField(required=False)
 
     class Meta:
         model = Message
-        fields = ('nomcom', 'to','to_custom','frm','cc','bcc','reply_to','subject','body')
+        fields = (
+            "nomcom",
+            "to",
+            "to_custom",
+            "frm",
+            "cc",
+            "bcc",
+            "reply_to",
+            "subject",
+            "body",
+        )
+        labels = {"frm": "From"}
+        help_texts = {
+            "to": "Select name OR select Other... and enter email below",
+            "cc": "Use comma separated lists for emails (Cc, Bcc, Reply To)",
+        }
 
     def __init__(self, *args, **kwargs):
-        if 'hidden' in kwargs:
-            self.hidden = kwargs.pop('hidden')
+        if "hidden" in kwargs:
+            self.hidden = kwargs.pop("hidden")
         else:
             self.hidden = False
-        user = kwargs.pop('user')
+        user = kwargs.pop("user")
         person = user.person
         super(AnnounceForm, self).__init__(*args, **kwargs)
-        self.fields['to'].widget = forms.Select(choices=get_to_choices())
-        self.fields['to'].help_text = 'Select name OR select Other... and enter email below'
-        self.fields['cc'].help_text = 'Use comma separated lists for emails (Cc, Bcc, Reply To)'
-        self.fields['frm'].widget = forms.Select(choices=get_from_choices(user))
-        self.fields['frm'].label = 'From'
-        self.fields['reply_to'].required = True
-        self.fields['nomcom'].label = 'NomCom message:'
-        nomcom_roles = person.role_set.filter(group__in=self.fields['nomcom'].queryset,name='chair')
-        secr_roles = person.role_set.filter(group__acronym='secretariat',name='secr')
+        self.fields["to"].widget = forms.Select(choices=get_to_choices())
+        self.fields["frm"].widget = forms.Select(choices=get_from_choices(user))
+        self.fields["reply_to"].required = True
+        # nomcom field is defined declaratively so label and help_text must be set here
+        self.fields["nomcom"].label = "NomCom message:"
+        self.fields["nomcom"].help_text = (
+            "If this is a NomCom announcement specifiy which NomCom group here"
+        )
+        nomcom_roles = person.role_set.filter(
+            group__in=self.fields["nomcom"].queryset, name="chair"
+        )
+        secr_roles = person.role_set.filter(group__acronym="secretariat", name="secr")
         if nomcom_roles:
-            self.initial['nomcom'] = nomcom_roles[0].group.pk
+            self.initial["nomcom"] = nomcom_roles[0].group.pk
         if not nomcom_roles and not secr_roles:
-            self.fields['nomcom'].widget = forms.HiddenInput()
-        
+            self.fields["nomcom"].widget = forms.HiddenInput()
+
         if self.hidden:
             for key in list(self.fields.keys()):
                 self.fields[key].widget = forms.HiddenInput()
@@ -113,25 +150,29 @@ def clean(self):
         data = self.cleaned_data
         if self.errors:
             return self.cleaned_data
-        if data['to'] == 'Other...' and not data['to_custom']:
+        if data["to"] == "Other..." and not data["to_custom"]:
             raise forms.ValidationError('You must enter a "To" email address')
-        for k in ['to', 'frm', 'cc',]:
+        for k in [
+            "to",
+            "frm",
+            "cc",
+        ]:
             data[k] = unescape(data[k])
 
         return data
 
     def save(self, *args, **kwargs):
-        user = kwargs.pop('user')
+        user = kwargs.pop("user")
         message = super(AnnounceForm, self).save(commit=False)
         message.by = user.person
-        if self.cleaned_data['to'] == 'Other...':
-            message.to = self.cleaned_data['to_custom']
-        if kwargs['commit']:
+        if self.cleaned_data["to"] == "Other...":
+            message.to = self.cleaned_data["to_custom"]
+        if kwargs["commit"]:
             message.save()
 
         # handle nomcom message
-        nomcom = self.cleaned_data.get('nomcom',False)
+        nomcom = self.cleaned_data.get("nomcom", False)
         if nomcom:
             message.related_groups.add(nomcom)
 
-        return message
\ No newline at end of file
+        return message
diff --git a/ietf/secr/announcement/tests.py b/ietf/secr/announcement/tests.py
index c147c301b61..f08e824397e 100644
--- a/ietf/secr/announcement/tests.py
+++ b/ietf/secr/announcement/tests.py
@@ -6,7 +6,7 @@
 
 from django.urls import reverse
 
-import debug                            # pyflakes:ignore
+import debug  # pyflakes:ignore
 
 from ietf.utils.test_utils import TestCase
 from ietf.group.factories import RoleFactory
@@ -17,97 +17,102 @@
 from ietf.message.models import AnnouncementFrom
 from ietf.utils.mail import outbox, empty_outbox
 
-SECR_USER='secretary'
-WG_USER=''
-AD_USER=''
+SECR_USER = "secretary"
+WG_USER = ""
+AD_USER = ""
+
 
 class SecrAnnouncementTestCase(TestCase):
     def setUp(self):
         super().setUp()
-        chair = RoleName.objects.get(slug='chair')
-        secr = RoleName.objects.get(slug='secr')
-        ietf = Group.objects.get(acronym='ietf')
-        iab = Group.objects.get(acronym='iab')
-        secretariat = Group.objects.get(acronym='secretariat')
-        AnnouncementFrom.objects.create(name=secr,group=secretariat,address='IETF Secretariat <ietf-secretariat@ietf.org>')
-        AnnouncementFrom.objects.create(name=chair,group=ietf,address='IETF Chair <chair@ietf.org>')
-        AnnouncementFrom.objects.create(name=chair,group=iab,address='IAB Chair <iab-chair@iab.org>')
+        chair = RoleName.objects.get(slug="chair")
+        secr = RoleName.objects.get(slug="secr")
+        ietf = Group.objects.get(acronym="ietf")
+        iab = Group.objects.get(acronym="iab")
+        secretariat = Group.objects.get(acronym="secretariat")
+        AnnouncementFrom.objects.create(
+            name=secr,
+            group=secretariat,
+            address="IETF Secretariat <ietf-secretariat@ietf.org>",
+        )
+        AnnouncementFrom.objects.create(
+            name=chair, group=ietf, address="IETF Chair <chair@ietf.org>"
+        )
+        AnnouncementFrom.objects.create(
+            name=chair, group=iab, address="IAB Chair <iab-chair@iab.org>"
+        )
 
     def test_main(self):
         "Main Test"
-        url = reverse('ietf.secr.announcement.views.main')
+        url = reverse("ietf.secr.announcement.views.main")
         self.client.login(username="secretary", password="secretary+password")
         r = self.client.get(url)
         self.assertEqual(r.status_code, 200)
-    
+
     def test_main_announce_from(self):
-        url = reverse('ietf.secr.announcement.views.main')
+        url = reverse("ietf.secr.announcement.views.main")
 
         # Secretariat
         self.client.login(username="secretary", password="secretary+password")
         r = self.client.get(url)
         self.assertEqual(r.status_code, 200)
         q = PyQuery(r.content)
-        self.assertEqual(len(q('#id_frm option')),4)
+        self.assertEqual(len(q("#id_frm option")), 4)
 
         # IAB Chair
         self.client.login(username="iab-chair", password="iab-chair+password")
         r = self.client.get(url)
         self.assertEqual(r.status_code, 200)
         q = PyQuery(r.content)
-        self.assertEqual(len(q('#id_frm option')),1)
-        self.assertTrue('<iab-chair@iab.org>' in q('#id_frm option').val())
+        self.assertEqual(len(q("#id_frm option")), 1)
+        self.assertTrue("<iab-chair@iab.org>" in q("#id_frm option").val())
 
         # IETF Chair
         self.client.login(username="ietf-chair", password="ietf-chair+password")
         r = self.client.get(url)
         self.assertEqual(r.status_code, 200)
         q = PyQuery(r.content)
-        self.assertEqual(len(q('#id_frm option')),1)
-        self.assertTrue('<chair@ietf.org>' in q('#id_frm option').val())
+        self.assertEqual(len(q("#id_frm option")), 1)
+        self.assertTrue("<chair@ietf.org>" in q("#id_frm option").val())
+
 
 class UnauthorizedAnnouncementCase(TestCase):
     def test_unauthorized(self):
         "Unauthorized Test"
-        url = reverse('ietf.secr.announcement.views.main')
-        person = RoleFactory(name_id='chair',group__acronym='mars').person
-        self.client.login(username=person.user.username, password=person.user.username+"+password")
+        url = reverse("ietf.secr.announcement.views.main")
+        person = RoleFactory(name_id="chair", group__acronym="mars").person
+        self.client.login(
+            username=person.user.username, password=person.user.username + "+password"
+        )
         r = self.client.get(url)
         self.assertEqual(r.status_code, 403)
-    
+
+
 class SubmitAnnouncementCase(TestCase):
-    def test_invalid_submit(self):
-        "Invalid Submit"
-        url = reverse('ietf.secr.announcement.views.main')
-        post_data = {'id_subject':''}
-        self.client.login(username="secretary", password="secretary+password")
-        r = self.client.post(url,post_data)
-        self.assertEqual(r.status_code, 200)
-        q = PyQuery(r.content)
-        self.assertTrue(len(q('form ul.errorlist')) > 0)
-        
     def test_valid_submit(self):
         "Valid Submit"
         nomcom_test_data()
         empty_outbox()
-        url = reverse('ietf.secr.announcement.views.main')
-        confirm_url = reverse('ietf.secr.announcement.views.confirm')
-        nomcom = Group.objects.get(type='nomcom')
-        post_data = {'nomcom': nomcom.pk,
-                     'to':'Other...',
-                     'to_custom':'rcross@amsl.com',
-                     'frm':'IETF Secretariat &lt;ietf-secretariat@ietf.org&gt;',
-                     'reply_to':'secretariat@ietf.org',
-                     'subject':'Test Subject',
-                     'body':'This is a test.'}
+        url = reverse("ietf.secr.announcement.views.main")
+        confirm_url = reverse("ietf.secr.announcement.views.confirm")
+        nomcom = Group.objects.get(type="nomcom")
+        post_data = {
+            "nomcom": nomcom.pk,
+            "to": "Other...",
+            "to_custom": "phil@example.com",
+            "frm": "IETF Secretariat &lt;ietf-secretariat@ietf.org&gt;",
+            "reply_to": "secretariat@ietf.org",
+            "subject": "Test Subject",
+            "body": "This is a test.",
+        }
         self.client.login(username="secretary", password="secretary+password")
-        response = self.client.post(url,post_data)
-        self.assertContains(response, 'Confirm Announcement')
-        response = self.client.post(confirm_url,post_data,follow=True)
+        response = self.client.post(url, post_data)
+        self.assertContains(response, "Confirm Announcement")
+        response = self.client.post(confirm_url, post_data, follow=True)
         self.assertRedirects(response, url)
-        self.assertEqual(len(outbox),1)
-        self.assertEqual(outbox[0]['subject'],'Test Subject')
-        self.assertEqual(outbox[0]['to'],'<rcross@amsl.com>')
-        message = Message.objects.filter(by__user__username='secretary').last()
-        self.assertEqual(message.subject,'Test Subject')
+        self.assertEqual(len(outbox), 1)
+        self.assertEqual(outbox[0]["subject"], "Test Subject")
+        self.assertEqual(outbox[0]["to"], "<phil@example.com>")
+        message = Message.objects.filter(by__user__username="secretary").last()
+        self.assertEqual(message.subject, "Test Subject")
         self.assertTrue(nomcom in message.related_groups.all())
diff --git a/ietf/secr/announcement/urls.py b/ietf/secr/announcement/urls.py
index 3c3c05a09c4..dc534f64aeb 100644
--- a/ietf/secr/announcement/urls.py
+++ b/ietf/secr/announcement/urls.py
@@ -1,8 +1,7 @@
-
 from ietf.secr.announcement import views
 from ietf.utils.urls import url
 
 urlpatterns = [
-    url(r'^$', views.main),
-    url(r'^confirm/$', views.confirm),
+    url(r"^$", views.main),
+    url(r"^confirm/$", views.confirm),
 ]
diff --git a/ietf/secr/announcement/views.py b/ietf/secr/announcement/views.py
index 42de089c59c..5617ae9e6fe 100644
--- a/ietf/secr/announcement/views.py
+++ b/ietf/secr/announcement/views.py
@@ -18,86 +18,93 @@
 # Helper Functions
 # -------------------------------------------------
 def check_access(user):
-    '''
+    """
     This function takes a Django User object and returns true if the user has access to
     the Announcement app.
-    '''
+    """
     if hasattr(user, "person"):
         person = user.person
         if has_role(user, "Secretariat"):
             return True
-        
+
         for role in person.role_set.all():
-            if AnnouncementFrom.objects.filter(name=role.name,group=role.group):
+            if AnnouncementFrom.objects.filter(name=role.name, group=role.group):
                 return True
 
-        if Role.objects.filter(name="chair",
-                               group__acronym__startswith="nomcom",
-                               group__state="active",
-                               group__type="nomcom",
-                               person=person):
+        if Role.objects.filter(
+            name="chair",
+            group__acronym__startswith="nomcom",
+            group__state="active",
+            group__type="nomcom",
+            person=person,
+        ):
             return True
 
     return False
 
+
 # --------------------------------------------------
 # STANDARD VIEW FUNCTIONS
 # --------------------------------------------------
 # this seems to cause some kind of circular problem
 # @check_for_cancel(reverse('home'))
 @login_required
-@check_for_cancel('../')
+@check_for_cancel("../")
 def main(request):
-    '''
+    """
     Main view for Announcement tool.  Authrozied users can fill out email details: header, body, etc
     and send.
-    '''
+    """
     if not check_access(request.user):
-        permission_denied(request, 'Restricted to: Secretariat, IAD, or chair of IETF, IAB, RSOC, RSE, IAOC, ISOC, NomCom.')
+        permission_denied(
+            request,
+            "Restricted to: Secretariat, IAD, or chair of IETF, IAB, RSOC, RSE, IAOC, ISOC, NomCom.",
+        )
 
-    form = AnnounceForm(request.POST or None,user=request.user)
+    form = AnnounceForm(request.POST or None, user=request.user)
 
     if form.is_valid():
         # recast as hidden form for next page of process
         form = AnnounceForm(request.POST, user=request.user, hidden=True)
-        if form.data['to'] == 'Other...':
-            to = form.data['to_custom']
+        if form.data["to"] == "Other...":
+            to = form.data["to_custom"]
         else:
-            to = form.data['to']
+            to = form.data["to"]
 
-        return render(request, 'announcement/confirm.html', {
-            'message': form.data,
-            'to': to,
-            'form': form},
+        return render(
+            request,
+            "announcement/confirm.html",
+            {"message": form.data, "to": to, "form": form},
         )
 
-    return render(request, 'announcement/main.html', { 'form': form} )
+    return render(request, "announcement/index.html", {"form": form})
+
 
 @login_required
-@check_for_cancel('../')
+@check_for_cancel("../")
 def confirm(request):
 
     if not check_access(request.user):
-        permission_denied(request, 'Restricted to: Secretariat, IAD, or chair of IETF, IAB, RSOC, RSE, IAOC, ISOC, NomCom.')
+        permission_denied(
+            request,
+            "Restricted to: Secretariat, IAD, or chair of IETF, IAB, RSOC, RSE, IAOC, ISOC, NomCom.",
+        )
 
-    if request.method == 'POST':
+    if request.method == "POST":
         form = AnnounceForm(request.POST, user=request.user)
-        if request.method == 'POST':
-            message = form.save(user=request.user,commit=True)
-            extra = {'Reply-To': message.get('reply_to') }
-            send_mail_text(None,
-                           message.to,
-                           message.frm,
-                           message.subject,
-                           message.body,
-                           cc=message.cc,
-                           bcc=message.bcc,
-                           extra=extra,
-                       )
-
-            messages.success(request, 'The announcement was sent.')
-            return redirect('ietf.secr.announcement.views.main')
-
-
-
-
+        if request.method == "POST":
+            message = form.save(user=request.user, commit=True)
+            extra = {"Reply-To": message.get("reply_to")}
+            send_mail_text(
+                None,
+                message.to,
+                message.frm,
+                message.subject,
+                message.body,
+                cc=message.cc,
+                bcc=message.bcc,
+                extra=extra,
+            )
+
+            messages.success(request, "The announcement was sent.")
+            return redirect("ietf.secr.announcement.views.main")
diff --git a/ietf/secr/templates/announcement/confirm.html b/ietf/secr/templates/announcement/confirm.html
index ddf2a6de6ed..0e1f72c54b2 100644
--- a/ietf/secr/templates/announcement/confirm.html
+++ b/ietf/secr/templates/announcement/confirm.html
@@ -1,22 +1,17 @@
-{% extends "base_site.html" %}
+{# Copyright The IETF Trust 2024, All Rights Reserved #}
+{% extends "base.html" %}
 {% load static %}
-
+{% load ietf_filters %}
+{% load django_bootstrap5 %}
 {% block title %}Announcement{% endblock %}
-
-{% block extrahead %}{{ block.super }}
-    <script src="{% static 'secr/js/utils.js' %}"></script>
-{% endblock %}
-
-{% block breadcrumbs %}{{ block.super }}
-    &raquo; Announcement
-{% endblock %}
-
 {% block content %}
+    <h1>Announcement</h1>
+
 
     <div class="module">
         <h2>Confirm Announcement</h2>
 
-        <form action="{% url "ietf.secr.announcement.views.confirm" %}" method="post">{% csrf_token %}
+        <form action="{% url 'ietf.secr.announcement.views.confirm' %}" method="post">{% csrf_token %}
 
             <pre id="announce-confirm">
 To: {{ to }}
@@ -29,15 +24,13 @@ <h2>Confirm Announcement</h2>
 {{ message.body }}
             </pre>
 
-            {{ form }}
-            <div class="button-group">
-                <ul id="announcement-button-list">
-                    <li><button type="submit" name="submit" value="Send">Send</button></li>
-                    <li><button type="button" onclick="history.go(-1);return false">Back</button></li>
-                    <li><button type="submit" name="submit" value="Cancel">Cancel</button></li>
-                </ul>
-            </div> <!-- button-group -->
+            {% bootstrap_form form %}
 
+            <div class="d-flex justify-content-around">
+                <button class="btn btn-primary" type="submit" name="submit" value="Send">Send</button>
+                <button class="btn btn-secondary" type="button" onclick="history.go(-1);return false">Back</button>
+                <button class="btn btn-danger" type="submit" name="submit" value="Cancel">Cancel</button>
+            </div>
         </form>
     </div> <!-- module -->
 
diff --git a/ietf/secr/templates/announcement/index.html b/ietf/secr/templates/announcement/index.html
new file mode 100644
index 00000000000..ad7226e3bc1
--- /dev/null
+++ b/ietf/secr/templates/announcement/index.html
@@ -0,0 +1,31 @@
+{# Copyright The IETF Trust 2024, All Rights Reserved #}
+{% extends "base.html" %}
+{% load static %}
+{% load ietf_filters %}
+{% load django_bootstrap5 %}
+{% block title %}Announcement{% endblock %}
+{% block content %}
+    <h1 class="announcement">Announcement</h1>
+    {% if form.non_field_errors %}<div class="my-3 alert alert-danger">{{ form.non_field_errors }}</div>{% endif %}
+
+    <form id="announcement-form" method="post">
+        {% csrf_token %}
+        {% bootstrap_field form.nomcom layout='horizontal' %}
+        {% bootstrap_field form.to layout='horizontal' %}
+        {% bootstrap_field form.to_custom layout='horizontal' %}
+        {% bootstrap_field form.frm layout='horizontal' %}
+        {% bootstrap_field form.cc layout='horizontal' %}
+        {% bootstrap_field form.bcc layout='horizontal' %}
+        {% bootstrap_field form.reply_to layout='horizontal' %}
+        {% bootstrap_field form.subject layout='horizontal' %}
+        {% bootstrap_field form.body layout='horizontal' %}
+
+        <button type="submit" class="btn btn-primary">Continue</button>
+        <a class="btn btn-secondary float-end"
+               href="{% url 'ietf.secr' %}">Cancel</a>
+    </form>
+
+{% endblock %}
+{% block js %}
+    <script src="{% static 'ietf/js/announcement.js' %}"></script>
+{% endblock %}
\ No newline at end of file
diff --git a/ietf/secr/templates/announcement/main.html b/ietf/secr/templates/announcement/main.html
deleted file mode 100644
index c88b4a2406c..00000000000
--- a/ietf/secr/templates/announcement/main.html
+++ /dev/null
@@ -1,36 +0,0 @@
-{% extends "base_site.html" %}
-
-{% block title %}Announcement{% endblock %}
-
-{% block breadcrumbs %}{{ block.super }}
-    &raquo; Announcement
-{% endblock %}
-
-{% block content %}
-
-    <div class="module">
-        <h2>Announcement</h2>
-
-        <form method="post">{% csrf_token %}
-            <table class="new-style full-width amstable" id="announce-table">
-                <tbody>
-                {% if form.non_field_errors %}{{ form.non_field_errors }}{% endif %}
-                {% for field in form.visible_fields %}
-                    <tr>
-                        <th scope="row">{{ field.label_tag }}{% if field.field.required %}<span class="required"> *</span>{% endif %}</th>
-                        <td>{{ field.errors }}{{ field }}{% if field.help_text %}<br>{{ field.help_text }}{% endif %}</td>
-                    </tr>
-                {% endfor %}
-                </tbody>
-            </table>
-            <div class="button-group">
-                <ul id="announcement-button-list">
-                    <li><button type="submit" name="submit" value="Continue">Continue</button></li>
-                    <li><button type="button" onclick="window.location='../'" value="Cancel">Cancel</button></li>
-                </ul>
-            </div> <!-- button-group -->
-
-        </form>
-    </div> <!-- module -->
-
-{% endblock %}
diff --git a/ietf/secr/templates/index.html b/ietf/secr/templates/index.html
new file mode 100644
index 00000000000..05fa3db41f0
--- /dev/null
+++ b/ietf/secr/templates/index.html
@@ -0,0 +1,33 @@
+{# Copyright The IETF Trust 2007, All Rights Reserved #}
+{% extends "base.html" %}
+{% load static %}
+{% load ietf_filters %}
+{% block title %}Secretariat Dashboard{% endblock %}
+{% block content %}
+    <h1>Secretariat Dashboard</h1>
+    <div class="">
+        {% if user|has_role:"Secretariat" %}
+            <h2>IESG</h2>
+            <ul>
+                <li><a href="{% url 'ietf.secr.announcement.views.main' %}"><b>Announcement</b></a></li>
+                <li><a href="{% url 'ietf.secr.telechat.views.main' %}"><b>Telechat</b></a></li>
+            </ul>
+
+            <h2>IDs and WGs Process</h2>
+            <ul>
+                <li> <a href="{% url 'ietf.secr.rolodex.views.search' %}"><b>Rolodex</b></a></li>
+            </ul>
+
+            <h2>Meetings and Proceedings</h2>
+            <ul>
+                <li> <a href="{% url 'ietf.secr.sreq.views.main' %} "><b>Session Requests</b></a></li>
+                <li> <a href="{% url 'ietf.secr.meetings.views.main' %}"><b>Meeting Manager</b></a></li>
+            </ul>
+        {% else %}
+            <ul>
+                <li> <a href="{% url 'ietf.secr.sreq.views.main' %}"><b>Session Requests</b></a></li>
+                <li> <a href="{% url 'ietf.secr.announcement.views.main' %}"><b>Announcements</b></a></li>
+            </ul>
+        {% endif %}
+    </div>
+{% endblock %}
\ No newline at end of file
diff --git a/ietf/secr/templates/main.html b/ietf/secr/templates/main.html
deleted file mode 100644
index 42d6e8f6a13..00000000000
--- a/ietf/secr/templates/main.html
+++ /dev/null
@@ -1,69 +0,0 @@
-{% extends "base_site.html" %}
-{% load ietf_filters %}
-
-{% block content %}
-    <div id="content-main">
-
-        {% if user|has_role:"Secretariat" %}
-
-            <table class="menu">
-                <tbody>
-                <tr>
-                    <td>
-                        <h2>IESG</h2>
-                        <ul>
-                        <li> <a href="{% url 'ietf.secr.announcement.views.main' %}"><b>Announcement</b></a></li>
-                        <li> <a href="{% url 'ietf.secr.telechat.views.main' %}"><b>Telechat</b></a></li>
-                        </ul>
-                    </td>
-                    <td>
-                        <h2>IDs and WGs Process</h2>
-                        <ul>
-                        <li> <a href="{% url 'ietf.secr.rolodex.views.search' %}"><b>Rolodex</b></a></li>
-                        </ul>
-                    </td>
-                </tr>
-                <tr>
-                    <td>
-                        <h2>Meetings and Proceedings</h2>
-                        <ul>
-                        <li> <a href="{% url "ietf.secr.sreq.views.main" %}"><b>Session Requests</b></a></li>
-                        <li> <a href="{% url "ietf.secr.meetings.views.main" %}"><b>Meeting Manager</b></a></li>
-                        </ul>
-                    </td>
-                    <td></td>
-                </tr>
-                </tbody>
-            </table>
-
-        {% else %}
-
-            <table class="menu">
-                <tbody>
-                <tr>
-                    <td>
-                        <h2>Section 1</h2>
-                        <ul>
-                        <li> <a href="{% url "ietf.secr.sreq.views.main" %}"><b>Session Requests</b></a></li>
-                        <li> <a href="{% url 'ietf.secr.announcement.views.main' %}"><b>Announcements</b></a></li>
-                        </ul>
-                    </td>
-                    <td>
-                        <h2>Section 2</h2>
-                    </td>
-                </tr>
-                <tr>
-                    <td>
-                        <h2>Section 3</h2>
-                    </td>
-                    <td>
-                        <h2>Section 4</h2>
-                    </td>
-                </tr>
-                </tbody>
-            </table>
-
-        {% endif %}
-
-    </div>
-{% endblock %}
\ No newline at end of file
diff --git a/ietf/secr/urls.py b/ietf/secr/urls.py
index 0ce14a449aa..4a3e5b0363f 100644
--- a/ietf/secr/urls.py
+++ b/ietf/secr/urls.py
@@ -2,7 +2,7 @@
 from django.views.generic import TemplateView
 
 urlpatterns = [
-    re_path(r'^$', TemplateView.as_view(template_name='main.html')),
+    re_path(r'^$', TemplateView.as_view(template_name='index.html'), name='ietf.secr'),
     re_path(r'^announcement/', include('ietf.secr.announcement.urls')),
     re_path(r'^meetings/', include('ietf.secr.meetings.urls')),
     re_path(r'^rolodex/', include('ietf.secr.rolodex.urls')),
diff --git a/ietf/settings.py b/ietf/settings.py
index 33a2f976d95..8005aca8cc2 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -808,6 +808,8 @@ def skip_unreadable_post(record):
 # Mailing list info URL for lists hosted on the IETF servers
 MAILING_LIST_INFO_URL = "https://mailman3.%(domain)s/mailman3/lists/%(list_addr)s.%(domain)s"
 MAILING_LIST_ARCHIVE_URL = "https://mailarchive.ietf.org"
+MAILING_LIST_ARCHIVE_SEARCH_URL = "https://mailarchive.ietf.org/api/v1/message/search/"
+MAILING_LIST_ARCHIVE_API_KEY = "changeme"
 
 # Liaison Statement Tool settings (one is used in DOC_HREFS below)
 LIAISON_UNIVERSAL_FROM = 'Liaison Statement Management Tool <statements@' + IETF_DOMAIN + '>'
diff --git a/ietf/static/js/announcement.js b/ietf/static/js/announcement.js
new file mode 100644
index 00000000000..95465120fa8
--- /dev/null
+++ b/ietf/static/js/announcement.js
@@ -0,0 +1,57 @@
+const announcementApp = (function() {
+    'use strict';
+    return {
+        // functions for Announcement
+        checkToField: function() {
+            document.documentElement.scrollTop = 0; // For most browsers
+            const toField = document.getElementById('id_to');
+            const toCustomInput = document.getElementById('id_to_custom');
+            const toCustomDiv = toCustomInput.closest('div.row');
+            
+            if (toField.value === 'Other...') {
+                toCustomDiv.style.display = 'flex'; // Show the custom field
+            } else {
+                toCustomDiv.style.display = 'none'; // Hide the custom field
+                toCustomInput.value = ''; // Optionally clear the input value if hidden
+            }
+        }
+    };
+})();
+
+// Extra care is required to ensure the back button 
+// works properly for the optional to_custom field.
+// Take the case when a user selects "Other..." for
+// "To" field. The "To custom" field appears and they
+// enter a new address there.
+// In Chrome, when the form is submitted and then the user
+// uses the back button (or browser back), the page loads
+// from bfcache then the javascript DOMContentLoaded event
+// handler is run, hiding the empty to_custom field, THEN the
+// browser autofills the form fields. Because to_submit
+// is now hidden it does not get a value. This is a very
+// bad experience for the user because the to_custom field
+// was unexpectedly cleared and hidden. If they notice this
+// they would need to know to first select another "To"
+// option, then select "Other..." again just to get the
+// to_custom field visible so they can re-enter the custom
+// address.
+// The solution is to use setTimeout to run checkToField
+// after a short delay, giving the browser time to autofill
+// the form fields before it checks to see if the to_custom
+// field is empty and hides it.
+
+document.addEventListener('DOMContentLoaded', function() {
+    // Run the visibility check after allowing cache to populate values
+    setTimeout(announcementApp.checkToField, 300);
+
+    const toField = document.getElementById('id_to');
+    toField.addEventListener('change', announcementApp.checkToField);
+});
+
+// Handle back/forward navigation with pageshow
+window.addEventListener('pageshow', function(event) {
+    if (event.persisted) {
+        // Then apply visibility logic after cache restoration
+        setTimeout(announcementApp.checkToField, 300);
+    }
+});
\ No newline at end of file
diff --git a/ietf/templates/doc/review/complete_review.html b/ietf/templates/doc/review/complete_review.html
index 091f30532e6..8aeb1486a4c 100644
--- a/ietf/templates/doc/review/complete_review.html
+++ b/ietf/templates/doc/review/complete_review.html
@@ -93,7 +93,7 @@ <h1>
             <a class="btn btn-secondary float-end" href="{{ doc.get_absolute_url }}">Back</a>
         {% endif %}
         <div class="template d-none">
-            {% if mail_archive_query_urls %}
+            {% if mail_archive_query_data %}
                 <div class="mail-archive-search"
                     {% if assignment %}
                      data-search-mail-archive-url="{% url "ietf.doc.views_review.search_mail_archive" name=doc.name assignment_id=assignment.pk %}"
@@ -106,7 +106,7 @@ <h1>
                         <div class="input-group mb-3">
                             <input type="text" id="mail-archive-subjects"
                                    class="query-input form-control"
-                                   value="{{ mail_archive_query_urls.query }}">
+                                   value="{{ mail_archive_query_data.query_value }}">
                             <button type="button" class="search btn btn-primary">Search</button>
                         </div>
                         <div class="retrieving d-none my-3">
diff --git a/ietf/templates/meeting/session_buttons_include.html b/ietf/templates/meeting/session_buttons_include.html
index bb5144b45d6..b1fd92ba5be 100644
--- a/ietf/templates/meeting/session_buttons_include.html
+++ b/ietf/templates/meeting/session_buttons_include.html
@@ -2,7 +2,8 @@
 {% load origin %}
 {% load static %}
 {% load textfilters tz %}
-{% load ietf_filters %}
+{% load ietf_filters session_filters %}
+
 {% origin %}
 {% if item and item|should_show_agenda_session_buttons %}
     {% with slug=item.slug session=item.session timeslot=item.timeslot %}
@@ -126,10 +127,10 @@
                     </a>
                 {% else %}
                     {# chat logs #}
-                    {% if meeting.has_chat_logs %}
+                    {% if meeting.has_chat_logs and session.chatlog %}
                         <a class="btn btn-outline-primary"
                             role="button"
-                            href="{{session.chat_archive_url}}"
+                            href="/doc/{{ session.chatlog.document.name }}"
                             aria-label="Chat logs for {{ session.chat_room_name }}"
                             title="Chat logs for {{ session.chat_room_name }}">
                             <i class="bi bi-file-text"></i>
@@ -303,10 +304,10 @@
                         </li>
                     {% else %}
                         {# chat logs #}
-			{% if meeting.has_chat_logs %}
+			            {% if meeting.has_chat_logs and session.chatlog %}
                             <li>
                                 <a class="dropdown-item"
-                                    href="session.chat_room_url">
+                                    href="/doc/{{ session.chatlog.document.name }}">
                                     <i class="bi bi-file-text"></i> Chat logs
                                 </a>
                             </li>
diff --git a/ietf/utils/management/tests.py b/ietf/utils/management/tests.py
index e94c39354f0..d704999cd15 100644
--- a/ietf/utils/management/tests.py
+++ b/ietf/utils/management/tests.py
@@ -12,7 +12,7 @@
 from ietf.utils.test_utils import TestCase
 
 
-@mock.patch.object(EmailOnFailureCommand, 'handle')
+@mock.patch.object(EmailOnFailureCommand, 'handle', return_value=None)
 class EmailOnFailureCommandTests(TestCase):
     def test_calls_handle(self, handle_method):
         call_command(EmailOnFailureCommand())
diff --git a/ietf/utils/test_runner.py b/ietf/utils/test_runner.py
index a77377ffb58..c06e7876db6 100644
--- a/ietf/utils/test_runner.py
+++ b/ietf/utils/test_runner.py
@@ -863,7 +863,7 @@ def setup_test_environment(self, **kwargs):
             try:
                 # remember the value so ietf.utils.mail.send_smtp() will use the same
                 ietf.utils.mail.SMTP_ADDR['port'] = base + offset
-                self.smtpd_driver = SMTPTestServerDriver((ietf.utils.mail.SMTP_ADDR['ip4'],ietf.utils.mail.SMTP_ADDR['port']),None)
+                self.smtpd_driver = SMTPTestServerDriver(ietf.utils.mail.SMTP_ADDR['ip4'],ietf.utils.mail.SMTP_ADDR['port'], None)
                 self.smtpd_driver.start()
                 print(("     Running an SMTP test server on %(ip4)s:%(port)s to catch outgoing email." % ietf.utils.mail.SMTP_ADDR))
                 break
diff --git a/ietf/utils/test_smtpserver.py b/ietf/utils/test_smtpserver.py
index 66675aa0b15..40da758d668 100644
--- a/ietf/utils/test_smtpserver.py
+++ b/ietf/utils/test_smtpserver.py
@@ -1,92 +1,56 @@
-# Copyright The IETF Trust 2014-2020, All Rights Reserved
+# Copyright The IETF Trust 2014-2025, All Rights Reserved
 # -*- coding: utf-8 -*-
 
+from aiosmtpd.controller import Controller
+from aiosmtpd.smtp import SMTP
+from email.utils import parseaddr
+from typing import Optional
 
-import smtpd
-import threading
-import asyncore
 
-import debug                            # pyflakes:ignore
+class SMTPTestHandler:
 
-class AsyncCoreLoopThread(object):
+    def __init__(self, inbox: list):
+        self.inbox = inbox
 
-    def wrap_loop(self, exit_condition, timeout=1.0, use_poll=False, map=None):
-        if map is None:
-            map = asyncore.socket_map
-            while map and not exit_condition:
-                asyncore.loop(timeout=1.0, use_poll=False, map=map, count=1)
+    async def handle_DATA(self, server, session, envelope):
+        """Handle the DATA command and 'deliver' the message"""
 
-    def start(self):
-        """Start the listening service"""
-        self.exit_condition = []
-        kwargs={'exit_condition':self.exit_condition,'timeout':1.0} 
-        self.thread = threading.Thread(target=self.wrap_loop, kwargs=kwargs)
-        self.thread.daemon = True
-        self.thread.daemon = True
-        self.thread.start()     
-
-    def stop(self):
-        """Stop the listening service"""
-        self.exit_condition.append(True)
-        self.thread.join()
-
-
-class SMTPTestChannel(smtpd.SMTPChannel):
+        self.inbox.append(envelope.content)
+        # Per RFC2033: https://datatracker.ietf.org/doc/html/rfc2033.html#section-4.2
+        #     ...after the final ".", the server returns one reply
+        #     for each previously successful RCPT command in the mail transaction,
+        #     in the order that the RCPT commands were issued.  Even if there were
+        #     multiple successful RCPT commands giving the same forward-path, there
+        #     must be one reply for each successful RCPT command.
+        return "\n".join("250 OK" for _ in envelope.rcpt_tos)
 
-#    mail_options = ['BODY=8BITMIME', 'SMTPUTF8']
-
-    def smtp_RCPT(self, arg):
-        if not self.mailfrom:
-            self.push(str('503 Error: need MAIL command'))
-            return
-        arg = self._strip_command_keyword('TO:', arg)
-        address, __ = self._getaddr(arg)
-        if not address:
-            self.push(str('501 Syntax: RCPT TO: <address>'))
-            return
+    async def handle_RCPT(self, server, session, envelope, address, rcpt_options):
+        """Handle an RCPT command and add the address to the envelope if it is acceptable"""
+        _, address = parseaddr(address)
+        if address == "":
+            return "501 Syntax: RCPT TO: <address>"
         if "poison" in address:
-            self.push(str('550 Error: Not touching that'))
-            return
-        self.rcpt_options = []
-        self.rcpttos.append(address)
-        self.push(str('250 Ok'))
-
-class SMTPTestServer(smtpd.SMTPServer):
-
-    def __init__(self,localaddr,remoteaddr,inbox):
-        if inbox is not None:
-            self.inbox=inbox
-        else:
-            self.inbox = []
-        smtpd.SMTPServer.__init__(self,localaddr,remoteaddr)
+            return "550 Error: Not touching that"
+        # At this point the address is acceptable
+        envelope.rcpt_tos.append(address)
+        return "250 OK"
 
-    def handle_accept(self):
-        pair = self.accept()
-        if pair is not None:
-            conn, addr = pair
-            #channel = SMTPTestChannel(self, conn, addr)
-            SMTPTestChannel(self, conn, addr)
 
-    def process_message(self, peer, mailfrom, rcpttos, data, mail_options=None, rcpt_options=None):
-        self.inbox.append(data)
+class SMTPTestServerDriver:
 
-
-class SMTPTestServerDriver(object):
-    def __init__(self, localaddr, remoteaddr, inbox=None):
-        self.localaddr=localaddr
-        self.remoteaddr=remoteaddr
-        if inbox is not None:
-            self.inbox = inbox
-        else:
-            self.inbox = []
-        self.thread_driver = None
+    def __init__(self, address: str, port: int, inbox: Optional[list] = None):
+        # Allow longer lines than the 1001 that RFC 5321 requires. As of 2025-04-16 the
+        # datatracker emits some non-compliant messages.
+        # See https://aiosmtpd.aio-libs.org/en/latest/smtp.html
+        SMTP.line_length_limit = 4000  # tests start failing between 3000 and 4000
+        self.controller = Controller(
+            hostname=address,
+            port=port,
+            handler=SMTPTestHandler(inbox=[] if inbox is None else inbox),
+        )
 
     def start(self):
-        self.smtpserver = SMTPTestServer(self.localaddr,self.remoteaddr,self.inbox)
-        self.thread_driver = AsyncCoreLoopThread()
-        self.thread_driver.start()
+        self.controller.start()
 
     def stop(self):
-        if self.thread_driver:
-            self.thread_driver.stop()
-
+        self.controller.stop()
diff --git a/k8s/settings_local.py b/k8s/settings_local.py
index a0e197b7f5e..0f4ecaa631c 100644
--- a/k8s/settings_local.py
+++ b/k8s/settings_local.py
@@ -19,13 +19,6 @@ def _multiline_to_list(s):
 # Default to "development". Production _must_ set DATATRACKER_SERVER_MODE="production" in the env!
 SERVER_MODE = os.environ.get("DATATRACKER_SERVER_MODE", "development")
 
-# Use X-Forwarded-Proto to determine request.is_secure(). This relies on CloudFlare overwriting the
-# value of the header if an incoming request sets it, which it does:
-# https://developers.cloudflare.com/fundamentals/reference/http-request-headers/#x-forwarded-proto
-# See also, especially the warnings:
-# https://docs.djangoproject.com/en/dev/ref/settings/#secure-proxy-ssl-header
-SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
-
 # Secrets
 _SECRET_KEY = os.environ.get("DATATRACKER_DJANGO_SECRET_KEY", None)
 if _SECRET_KEY is not None:
@@ -135,6 +128,12 @@ def _multiline_to_list(s):
     queue=os.environ.get("RABBITMQ_QUEUE", "dt"),
 )
 
+# mailarchive API key
+_mailing_list_archive_api_key = os.environ.get("DATATRACKER_MAILING_LIST_ARCHIVE_API_KEY", None)
+if _mailing_list_archive_api_key is None:
+    raise RuntimeError("DATATRACKER_MAILING_LIST_ARCHIVE_API_KEY must be set")
+MAILING_LIST_ARCHIVE_API_KEY = _mailing_list_archive_api_key
+
 IANA_SYNC_USERNAME = "ietfsync"
 IANA_SYNC_CHANGES_URL = "https://datatracker.iana.org:4443/data-tracker/changes"
 IANA_SYNC_PROTOCOLS_URL = "http://www.iana.org/protocols/"
@@ -173,7 +172,13 @@ def _multiline_to_list(s):
         "DATATRACKER_MEETECHO_CLIENT_ID and DATATRACKER_MEETECHO_CLIENT_SECRET must be set"
     )
 
-# For APP_API_TOKENS, ccept either base64-encoded JSON or raw JSON, but not both
+# For APP_API_TOKENS, accept either base64-encoded JSON or raw JSON, but not both.
+# To decode / pretty-print the encoded form, run:
+#    base64 -d | jq .
+# paste the encoded secret into stdin. Copy/paste that into an editor you trust not
+# to leave a copy lying around. When done editing, copy/paste the final JSON through
+#    jq -c | base64
+# and copy/paste the output into the secret store. 
 if "DATATRACKER_APP_API_TOKENS_JSON_B64" in os.environ:
     if "DATATRACKER_APP_API_TOKENS_JSON" in os.environ:
         raise RuntimeError(
diff --git a/package.json b/package.json
index 6d1591ca151..e3e89288e77 100644
--- a/package.json
+++ b/package.json
@@ -114,6 +114,7 @@
         "ietf/static/js/add_session_recordings.js",
         "ietf/static/js/agenda_filter.js",
         "ietf/static/js/agenda_materials.js",
+        "ietf/static/js/announcement.js",
         "ietf/static/js/complete-review.js",
         "ietf/static/js/create_timeslot.js",
         "ietf/static/js/create_timeslot.js",
diff --git a/playwright/.gitignore b/playwright/.gitignore
index 75e854d8dcf..f38d036a792 100644
--- a/playwright/.gitignore
+++ b/playwright/.gitignore
@@ -2,3 +2,4 @@ node_modules/
 /test-results/
 /playwright-report/
 /playwright/.cache/
+auth.json
\ No newline at end of file
diff --git a/playwright/tests-legacy/secr/announcement.spec.js b/playwright/tests-legacy/secr/announcement.spec.js
new file mode 100644
index 00000000000..4dbbc25a813
--- /dev/null
+++ b/playwright/tests-legacy/secr/announcement.spec.js
@@ -0,0 +1,77 @@
+const { test, expect } = require('@playwright/test')
+const viewports = require('../../helpers/viewports')
+const { setTimeout } = require('timers/promises')
+
+// ====================================================================
+// ANNOUNCEMENT | DESKTOP viewport
+// ====================================================================
+
+test.describe('desktop', () => {
+  
+  test.beforeAll(async ({ browser }) => {
+    const context = await browser.newContext();
+    const page = await context.newPage();
+
+    await page.goto('/accounts/login/');
+
+    await page.fill('input#id_username', 'glen');
+    await page.fill('input#id_password', 'password');
+
+    await page.click('button[type="submit"]');
+    await page.waitForURL('/accounts/profile/');
+
+    await context.storageState({ path: 'auth.json' });
+
+    await context.close();
+  });
+
+  test.beforeEach(async ({ browser }) => {
+    // Reuse the authentication state in each test
+    const context = await browser.newContext({ storageState: 'auth.json' });
+    const page = await context.newPage();
+    await page.setViewportSize({
+      width: viewports.desktop[0],
+      height: viewports.desktop[1]
+    })
+    await page.goto(`/secr/announcement/`); 
+    await page.locator('h1:text("Announcement")').waitFor({ state: 'visible' })
+    await setTimeout(500)
+    // Attach the page to the test context
+    test.info().page = page;
+  })
+
+  test('show to custom', async () => {
+    const page = test.info().page;
+
+    // to_custom should initially be hidden
+    const element = page.locator('#id_to_custom');
+    await expect(element).toBeHidden();
+    await page.selectOption('select#id_to', 'Other...');
+    await expect(element).toBeVisible();
+  })
+
+  test('back button', async () => {
+    const page = test.info().page;
+
+    const element = page.locator('#id_to_custom');
+    await page.selectOption('select#id_to', 'Other...');
+    await expect(element).toBeVisible();
+    await page.fill('input#id_to_custom', 'custom@example.com');
+    await page.selectOption('select#id_frm', 'IETF Chair <chair@ietf.org>');
+    await page.fill('input#id_reply_to', 'greg@example.com');
+    await page.fill('input#id_subject', 'About Stuff');
+    await page.fill('textarea#id_body', 'This is the stuff');
+
+    await page.click('text="Continue"');
+    const h2Locator = page.locator('h2:text("Confirm Announcement")');
+    await h2Locator.waitFor({ state: 'visible' });
+
+    // click back button and check to_custom
+    await page.click('text="Back"');
+    const subjectLocator = page.locator('input#id_subject');
+    await subjectLocator.waitFor({ state: 'visible' });
+    await expect(element).toBeVisible();
+    await expect(element).toHaveValue('custom@example.com');
+  })
+
+})
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index cd93f448e28..b00a21ab495 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 # -*- conf-mode -*-
 setuptools>=51.1.0    # Require this first, to prevent later errors
 #
+aiosmtpd>=1.4.6
 argon2-cffi>=21.3.0    # For the Argon2 password hasher option
 beautifulsoup4>=4.11.1    # Only used in tests
 bibtexparser>=1.2.0    # Only used in tests