diff --git a/AGENTS.md b/AGENTS.md
index b105b58..db9ff76 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2506,6 +2506,12 @@ Rules:
       tinted card as 1:1 DMs and mark read when opened (`GroupConversationPage`
       uses `getGroupId` + `useDMRead`). APK sha256 `1eecf9f4…`, versionCode
       10720. Web forced live at `b7f3fd7`.
+    - **1.7.21 (2026-10-28):** envelope-only DM unread in the bell. A new
+      `useDmUnreadSummary` counts gift-wrap ids not seen locally (no decrypt, no
+      Amber prompt), excludes this device's own outbound wraps
+      (`lib/dmOwnWraps.ts`), and shows a Messages row/link with a badge; opening
+      Messages acknowledges. 1:1 + group unread dots clear on read. APK sha256
+      `8d658e5b…`, versionCode 10721. Web forced live at `9baa1bd`.
 
 ### Relay archive (dataset backup)
 - **Transfer content between keys (`scripts/transfer-content.mjs`, 2026-10-04):**