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Stop "improving" Thunderbird.

I was using the latest version of Thunderbird 115.11.0. It's slow and very buggy. It's the same on all my Windows 10 PCs. I have uninstalled it and went back to V78.13.0 (64-bit). It is MUCH better. And it retains features that were annoyingly remo...

ESC undoes fullscreen on both FF instances on two different screens.

Does not just undo full screen of screen with focus.

The remembered account password is bound to the identity label.

It is strongly recommended that when remembering the account password, it is bound to the corresponding identity label, so that when opening the website login on the corresponding identity label page, only the account password under the label is disp...

Where is the "Sent" folder?

Sometimes the Thunderbird interface can really be a nightmare! I am managing three IMAP and three POP email accounts. Really, there must be a better way to organize the interface, and it may well be my fault. But I can hardly consider myself a newbie...

Make Firefox mobile a competitor to Chromeos' Chrome

Disclaimer: This isn't a complaint at much as it is context to epxlain my idea(sorry for bad english). tldr;make firefox mobile more like desktop app to be more comfortable in chromeos, I know there is a linux version you can install, but my chromebo...

How do I make mini-month in Thunderbird 115 look like it did in 102??

Tried out version 115 but went back to a Mozilla build copy of 102. I'm afraid I have a space problem with the mini-month as it appears in the main, task, and calendar screens of 115. On a 15" laptop screen they simply take up too much space. How do ...

Mesa 24.0.8 firefox Failed to compile vertex shader

With the latest update of Mesa(24.0.8) in ubuntu noble 24.04, starting firefox from terminal shows these errors and is using software rendering ATTENTION: default value of option mesa_glthread overridden by environment. [GFX1-]: Failed to compile ver...

AV1 support, youtube 8K

the firefox seems not using AV1 hardware decode on the youtube 8k videos despite i have set the "Always Prefer AV1" in youtube setting side, "Use hardware acceleration when available" at firefox side, and i have RTX3070 gpu.

Donation in Bitcoin

Hello,I just look at Thunderbird page and I can't see donation button for Bitcoin and Bitcoin Lightning. Can you please make it visible. Thanks.

Do some advertising, please

With revenues in the hundreds of millions, almost all from the gravy train of google search being the default search engine...please, do some advertising. That gravy train isn't likely to continue all that much longer - not if the user share continue...