this is speech-to-text! OP is looking for text-to-speech.

Really like this, except that it breaks the Adaptive Tab Bar Colour extension. I’ve been using FF with edgy-arc-fr userchrome and Sidebery which is nearly perfect in terms of UI but definitely feels slower than Zen. I’d definitely switch to this if it had some native adaptive UI colour, I just think it’s neat.

Is the sidebar here just the same as the new native Firefox vertical sidebar, or is it bespoke?

Search works really well for me. Definitely reveals a less aesthetic side of Thunderbird but it works!

A works to archive messages btw, I’m not sure about a shortcut for labels though.

Thanks, not sure how I missed this!

This update somehow has broken haptic feedback on my keyboard 🤔