https://freedom.tech/project/thunderbird-for-android-k-9-mail/ Every Thunderbird for Android K-9 Mail release and update tracked by Freedom.Tech. en Freedom.Tech is a Foundation project. https://foundation.xyz Freedom.Tech, a Foundation project (https://foundation.xyz) https://freedom.tech/posts/2026-08-03-thunderbird-for-android-k-9-mail-21-1/ https://freedom.tech/posts/2026-08-03-thunderbird-for-android-k-9-mail-21-1/ Mon, 03 Aug 2026 19:14:10 GMT Fixes Empty Trash action failure https://freedom.tech/posts/2026-07-06-thunderbird-for-android-k-9-mail-20-1/ https://freedom.tech/posts/2026-07-06-thunderbird-for-android-k-9-mail-20-1/ Mon, 06 Jul 2026 22:30:53 GMT Fixes crashes on long message rendering and memory exhaustion https://freedom.tech/posts/2026-06-23-thunderbird-for-android-k-9-mail-20-0/ https://freedom.tech/posts/2026-06-23-thunderbird-for-android-k-9-mail-20-0/ Tue, 23 Jun 2026 01:45:10 GMT K-9 Mail 20.0 fixes notification privacy leaks avatars when disabled and improves tablet compose usability alongside UI polish https://freedom.tech/posts/2026-06-04-thunderbird-for-android-k-9-mail-19-2/ https://freedom.tech/posts/2026-06-04-thunderbird-for-android-k-9-mail-19-2/ Thu, 04 Jun 2026 19:32:32 GMT K-9 Mail 19.2 fixes a crash when scanning Thunderbird QR codes for account setup https://freedom.tech/posts/2026-06-03-thunderbird-for-android-k-9-mail-19-1/ https://freedom.tech/posts/2026-06-03-thunderbird-for-android-k-9-mail-19-1/ Wed, 03 Jun 2026 22:11:55 GMT K-9 Mail 19.1 adds discoverable Thundermail configuration for easier encrypted email setup on Android https://freedom.tech/posts/2026-05-26-thunderbird-for-android-k-9-mail-19-0/ https://freedom.tech/posts/2026-05-26-thunderbird-for-android-k-9-mail-19-0/ Tue, 26 May 2026 23:18:02 GMT Notification actions are now configurable per-message; System font size preferences apply to message text; Thundermail integration surfaces as a first-class configuration path