changelog: Document changes since v27.227

Author: chrisbobbe

docs/changelog.md

@@ -39,6 +39,38 @@ It doesn't include
 
 ## Unreleased
 
+### Highlights for users, vs. v27.225 (last prod release)
+
+* Streams are now called channels, if your server is version 9.0+. (#5827)
+* Fixed a bug where LaTeX was not quoted properly in the "Quote and reply"
+  option. (#5849)
+* Fixed a bug where long-pressing an invalid link would crash the app.
+  (#5854)
+* Updated translations for Bulgarian, German, Polish, Portuguese, Russian,
+  Spanish, Turkish, and Ukrainian. Thanks as always to our kind volunteer
+  translators!
+
+Plus other fixes and improvements for your Zulip experience.
+
+
+### Highlights for users, vs. v27.227 (last beta release)
+
+* Fixed a crash on login, which slipped through in the UI-string "channel"
+  rename. (PR #5865)
+* Updated translations for Bulgarian, Spanish, and Turkish. Thanks as always
+  to our kind volunteer translators!
+
+
+### Highlights for developers, vs. v27.227
+
+* Fixed a crash on login, which slipped through in the UI-string "channel"
+  rename. (PR #5865)
+
+* The UI-string "channel" terminology is now correctly conditioned on
+  FL >=255, not >255. (PR #5864)
+
+* Resolved issues: PR #5865, PR #5864
+
 
 ## 27.227 (2024-04-25)