Download Latest Version Thunderbird 11.0 source code.tar.gz (31.6 MB)
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Name Modified Size InfoDownloads / Week
Parent folder
k9mail-11.0.apk 2025-07-15 12.0 MB
K-9 Mail 11.0 source code.tar.gz 2025-07-15 31.6 MB
K-9 Mail 11.0 source code.zip 2025-07-15 35.4 MB
README.md 2025-07-15 2.6 kB
Totals: 4 Items   79.0 MB 2

New: - Improved drawer navigation with a folder hierarchy - Improve dark mode emails with algorithmic darkening - Welcome screen logo layout improved - Improved compatibility with some ISPs by using ehlo.thunderbird.net as the EHLO identifier

Changed: - Selection now shown on active items by adjusting color priority - Folder settings now use switches instead of checkboxes - Adjust theming colors to improve contrast (message list improvements still outstanding) - Messages are now marked read by default when archiving - Font size config preference is removed in favor of OS and density settings

Fixed: - Account setup issues with outlook.com and hotmail.com resolved - Keyboard navigation bugs resolved - Star and attachment icon colors corrected - Paste of recipient lists into compose field now correctly parsed - Back button now returns to Drafts folder when editing a draft - Unified inbox appears when two or more accounts are configured - Dark and light mode switching issues resolved - Scroll indicator removed following review feedback - System navigation bar did not correctly blend with message content - "New Mail Notifications" setting did not persist - Navigation drawer "Show Unified inbox" setting did not work - Avoid crashes when selecting folders, fetching emails, adjusting accounts, or changing device orientation - Sharing multiple selected images from gallery only selected last image - TalkBack did not clearly announce contact picture tap action - Improved IMAP push stability when switching network connections

Contributors: * @SttApollo made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8710 * @Salkinnoma made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8957 * @Smatek made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8902 * @vayun-mathur made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8719 * @sergiolpzgmz made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8993 * @ruuzia made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/8994 * @Fishkin made their first contribution in https://github.com/thunderbird/thunderbird-android/pull/9090 * Thank you also to @asoucar, @coreycb, @kewisch, @mhf1998, @rafaeltonholo, @shamim-emon, @terofeev, @wmontwe

Full Changelog: https://github.com/thunderbird/thunderbird-android/compare/K9MAIL_10_1...K9MAIL_11_0

Source: README.md, updated 2025-07-15