Changelog.md

@@ -2,9 +2,18 @@
 
 Dates and release notes for all production releases of the Briar Desktop program. For the Android app see [its respective changelog](https://code.briarproject.org/briar/briar/-/wikis/changelog).
 
-### [0.6.3-beta](https://code.briarproject.org/briar/briar-desktop/-/commits/0.6.2-beta)
+### [0.6.4-beta](https://code.briarproject.org/briar/briar-desktop/-/commits/0.6.4-beta)
 
-2024-02-18
+2024-08-11
+* Extend app validity until February 2026
+* Fix image compression issue
+* Add releases for Debian Bookworm and compatible
+* Add releases for Ubuntu Noble and compatible
+* Add AppImage releases for Linux x64 and arm64
+
+### [0.6.3-beta](https://code.briarproject.org/briar/briar-desktop/-/commits/0.6.3-beta)
+
+2025-02-18
 * Update Briar core to [1.5.14](https://code.briarproject.org/briar/briar/-/wikis/changelog#anchor-1514)
 * Upgrade JVM to 17.0.14+7
 * Upgrade Compose to 1.7.3