Update changelog.

CHANGELOG.md

@@ -8,6 +8,11 @@ Usability improvements.
 	- allows showing text without crowding out or hiding minutes field
 - fix monochrome icons, source was not white which may have been causing issues
 - begin creating tar files for Linux rather than zips, will use zstd on release
+- begin using a proper release signature rather that flutter's debug.
+- update internal plugin versions.
+
+This version may require uninstalling any previous versions before updating
+due to the signature change. It is a one-time event.
 
 ## 1.0.1 (2026-09-29)