Serious Discussion Betterbird - fork of Mozilla Thunderbird

[silversurfer]

We are shipping Betterbird version 140.2.1esr-bb10. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[annaegorov]

IDK.... Nothing but trouble from outlook (new), Thunderbird, and All the birds associated with Thunderbird.

SO I went with "eM Client"..... Not a single hiccup and it's free.

 

[silversurfer]

Betterbird 140.3.0esr released on 14th September 2025

We are shipping Betterbird version 140.3.0esr-bb11. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.3.1esr released on 30th September 2025

We are shipping Betterbird version 140.3.1esr-bb12. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.4.0esr released on 11th October 2025

We are shipping Betterbird version 140.4.0esr-bb13. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.5.0esr released on 8th November 2025

We are shipping Betterbird version 140.5.0esr-bb14. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.6.0esr released on 6th December 2025

We are shipping Betterbird version 140.6.0esr-bb15. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.6.0esr-bb16 released on 2nd January 2026

We are shipping Betterbird version 140.6.0esr-bb16. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[Divine_Barakah]

I've thought about switching to BB a number of times but

Spoiler: This puts me off using it.

View attachment 288130

View attachment 288131

View attachment 288132#

Though not detected as bad on VT VT Link

EDIT: Might just be a false positive and I need to install their certificate but it is odd.

Spoiler: Betterbird Certificate Info

View attachment 288135

It is still the case as of today.

 

[silversurfer]

Betterbird 140.7.0esr-bb17 released on 13th January 2026

We are shipping Betterbird version 140.7.0esr-bb17. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.7.1esr-bb18 released on 25th January 2026

We are shipping Betterbird version 140.7.1esr-bb18. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.8.0esr-bb18 released on 22nd February 2026

We are shipping Betterbird version 140.8.0esr-bb18. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.9.0esr-bb20 released on 23rd March 2026

We are shipping Betterbird version 140.9.0esr-bb20. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.10.0esr-bb21 released on 18th April 2026

We are shipping Betterbird version 140.10.0esr-bb21. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.10.1esr-bb22 released on 29th April 2026

We are shipping Betterbird version 140.10.1esr-bb22. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.11.0esr-bb23 released on 16th May 2026

We are shipping Betterbird version 140.11.0esr-bb23. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 140.12.0esr-bb24 released on 13th June 2026

We are shipping Betterbird version 140.12.0esr-bb24. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[Divine_Barakah]

140.12.0esr-bb24 "latest build" (6 July 2026, in English for Windows)

This version is not offered as an update. Changes will ship in the next release.

Fixed in this version:
FIXED - Spellcheck in calendar descriptions. This now follows the inline spellcheck preference mail.spellcheck.inline and the dictionariesselected via preference spellchecker.dictionary (comma-separeated list) -Bug 1754162
FIXED - Missing space between HTML signature and quote when replying "on top" -Bug 2005898
FIXED - Calendar item description was black on black in dark mode if preference mail.dark-reader-compose.enabled was set to false

Betterbird: Release Notes

 

[silversurfer]

Betterbird 140.13.0esr-bb25 released on 21st July 2026

We are shipping Betterbird version 140.13.0esr-bb25. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu

 

[silversurfer]

Betterbird 153.1.0esr-bb7 released on 18th August 2026​

We are shipping Betterbird version 153.1.0esr-bb7. Please refer to the release notes for details.

Betterbird. Simply better.

Betterbird. Simply better. A soft fork of Mozilla Thunderbird

www.betterbird.eu