docs: Update changelog to cover changes staged for 8.0.

docs/overview/changelog.md

@@ -16,30 +16,40 @@ log][commit-log] for an up-to-date list of all changes.
 #### Highlights
 
 - New Inbox view shows all unread messages in a conveniently
-  browsable experience, similar to the mobile home screen.
-- (Incomplete) Added support for following a topic, with configurable
-  notification settings for followed topics and flexible configuration
-  options to automatically follow topics when sending a message or
-  otherwise interacting with it.
-- (Incomplete) New @topic mentions support mentioning only users who
-  have participated in a topic.
-- (Incomplete) Typing notifications now support stream messages.
+  browsable experience, similar to the mobile home screen. It is an
+  option for the user's home view.
+- Added support for following a topic, with configurable notification
+  settings for followed topics and flexible configuration options to
+  automatically follow topics when sending a message or otherwise
+  interacting with it. New `Shift + N` keyboard shortcut navigates to
+  the next unread followed topic.
+- New @topic mentions support mentioning only users who have
+  participated in a topic by sending a message or emoji reaction.
+- Typing notifications now support streams with 100 or fewer
+  subscribers.
 - Clicking on a message in search views now directly takes the user to
-  the target message, instead of starting a reply.
+  the target message, instead of starting a reply, since it's rare one
+  wants to reply without full context.
+- The left sidebar now allows collapsing the global views for users
+  who want more space for streams and conversations.
 - Added new unread count display style setting, controlling in which
   streams to display a numeric unread count or a simple dot unread
   indicator. Defaults to numeric counts in normal streams, but a dot
   indicator in muted streams.
 - Added support for creating voice calls.
 - Major visual design improvements in the message feed, search
-  area/navbar, and left sidebar.
+  area/navbar, and left sidebar. The gear menu was replaced with three
+  new redesigned menus: A help menu, a personal/avatar menu, and a
+  more focused gear menu.
 - Added thumbnails and lightbox player support for video links and
   video files uploaded directly in Zulip. Previously, Zulip only
   supported this for videos hosted by third-party platforms that
   provide an embedded player, like YouTube and Vimeo.
-- (Incomplete) Pasting HTML into the compose box will now convert it
-  into corresponding Zulip markup. Improved pasting URLs with text
-  selected. New formatting buttons for bulleted and numbered lists.
+- The compose area was redesigned, with new formatting buttons for
+  bulleted and numbered lists. Improved pasting URLs with text
+  selected. Topic typeahead now indicates whether one would be
+  creating a new topic, and user typeahead now shows pronouns if a
+  pronoun custom profile field is configured.
 
 #### Full feature changelog
 
@@ -53,7 +63,8 @@ log][commit-log] for an up-to-date list of all changes.
   the user experience.
 - The LDAP integration now supports syncing user groups.
 - The SCIM integration now supports syncing user roles.
-- Added support for sorting the recent view by unread count.
+- The recent view now indicates the date range it is displaying, and
+  supports fetching more conversations and sorting by unread count.
 - Added support for printing a message feed as a lightweight
   conversation export experience.
 - Added support for muting bot users.
@@ -62,28 +73,43 @@ log][commit-log] for an up-to-date list of all changes.
 - Added support for subscribing users in user profile streams tab.
 - Added new permissions setting for who can create reusable invitation
   links.
+- Added new setting for whether guest users should be displayed with
+  "(guest)" appended to their name to highlight their status.
 - Added new setting to configure the Jitsi server URL to use.
 - Added new settings warnings for making a stream private that one is
   not subscribed to, and for archiving a stream used for automated
   notifications.
-- Added new wizard for creating incoming webhook URLs.
+- Added new wizard for creating incoming webhook integration URLs.
 - Added bulk-delete UI for drafts.
+- Added new API endpoint for sending a test push notification, to
+  support an upcoming mobile feature. Realms now have a UUID sent to
+  the push notifications service to simplify migrating via
+  export/import into a different server.
 - Display settings was renamed to Preferences.
-- Default streams can now be managed via the manage streams UI.
+- "Default view" was renamed to "home view".
+- The manage streams UI has a cleaner design for changing
+  subscriptions, can now directly manage default streams, and has
+  a cleaner UI for managing notification settings.
 - Linkifiers and code playgrounds now use RFC 6570 compliant URL
   templates to specify the target URL.
 - Linkifiers are now processed in a defined, editable order.
+- Scheduled messages are now displayed when viewing the conversation
+  where they will be sent.
 - Message edit history has a Shift+H keyboard shortuct and is now
   accessed via the mouse exclusively by clicking on EDITED/MOVED
   notices, simplifying the main message actions popover.
+- Users can now delete messages sent by bots that they control as
+  though they had sent the message themselves.
 - Simplified and clarified recipient bar inline topic editing.
 - The compose/edit interfaces now disable formatting buttons in
   preview mode.
+- The organization creation form now explicitly asks the user to
+  choose a default language for the organization.
 - Improved design for /todo widgets.
 - Improved semantics and explanations of reactivating previously
   deactivated bot users.
-- Improved dozens of existing help center articles, including mobile
-  documentation for many common workflows and a new system for message
+- Improved over 100 help center articles, adding mobile documentation
+  for many common workflows and a new indexing system for message
   formatting documentation.
 - Improved content and styling for many tooltips across the web
   application, including several new "Copied!" tooltips.
@@ -93,13 +119,15 @@ log][commit-log] for an up-to-date list of all changes.
 - Webhook integrations now return a 200 success status code when
   processing requests that match the format for an integration but
   where the specific event type is not implemented.
-- New /health healthcehck endpoint designed for reverse proxies in
+- New /health health check endpoint designed for reverse proxies in
   front of the Zulip server.
 - Rewrote all popovers, fixing many bugs involving positioning, mobile
   web UI, and keyboard navigation.
 - Rewrote message feed layout using CSS grid, fixing many subtle
   layout bugs.
 - Fixed dozens of rare exceptions in the web application.
+- Fixed email notifications incorrectly containing extra context
+  messages when subscribed to email notifications for a stream.
 - Fixed several longstanding performance issues both in the web
   application and the server.
 - Fixed several subtle bugs in error reporting internals.
@@ -119,10 +147,18 @@ log][commit-log] for an up-to-date list of all changes.
   the web codebase is now TypeScript, most of the legacy Bootstrap
   code has been deleted, and most import cycles have been cut.
 - Added new request parsing framework based on Pydantic 2.
-- Upgraded many dependnecies.
+- Upgraded many dependencies.
 
 #### Upgrade notes for 8.0
 
+- This release contains several expensive migrations, most notably
+  `0472_add_message_realm_id_indexes.py`,
+  `0485_alter_usermessage_flags_and_add_index.py`, and
+  `0486_clear_old_data_for_unused_usermessage_flags.py`. Migration
+  `0486`, in particular, cleans up stale that should only be present
+  on Zulip servers that were originally installed with Zulip 1.3.x or
+  older. If your server has millions of messages, plan for the
+  migrations in this release to take 15 minutes or more to complete.
 - Minor: User group names starting with `@`, `role:`, `user:`, and
   various certain other special patterns are now forbidden. In the
   unlikely event that existing user groups have names matching these