Changelog.md

@@ -4,13 +4,13 @@ Dates and release notes for all production releases of the Briar Desktop program
 
 ### [0.6.5-beta](https://code.briarproject.org/briar/briar-desktop/-/commits/0.6.5-beta)
 
-2024-12-XX
-* Extend app validity until June 2026
+2026-01-31
+* Extend app validity until July 2026
 * Update Briar core to [1.5.15](https://code.briarproject.org/briar/briar/-/wikis/changelog#anchor-1515)
 
 ### [0.6.4-beta](https://code.briarproject.org/briar/briar-desktop/-/commits/0.6.4-beta)
 
-2024-08-14
+2025-08-14
 * Extend app validity until February 2026
 * Fix image compression issue
 * Add releases for Debian Bookworm and compatible