diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c0d2847..f63c2394 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
Version 4.0.0 - ??/??/2026
+ - [All APIs] Added a special prompt to summarize one or more emails, using a context menu command [#615]. Thanks to Guido Kraemer for his great work on this feature.
+ - [All APIs] "Analyze for spam" and "Add tags" context menu items are always shown when the corresponding feature is enabled [#609].
- ...
Version 3.8.3 - 22/01/2026
diff --git a/options/mzta-release-notes.html b/options/mzta-release-notes.html
index 6c27cd96..6248de5d 100644
--- a/options/mzta-release-notes.html
+++ b/options/mzta-release-notes.html
@@ -9,6 +9,8 @@
ThunderAI Release Notes
Version 4.0.0 - ??/??/2026
+ - [All APIs] Added a special prompt to summarize one or more emails, using a context menu command [#615]. Thanks to Guido Kraemer for his great work on this feature.
+ - [All APIs] "Analyze for spam" and "Add tags" context menu items are always shown when the corresponding feature is enabled [#609].
- ...
Version 3.8.3 - 22/01/2026