Mozilla Connect

Sidebar and Vertical Tabs Launch in Release 136

Hi folks! The updated sidebar and vertical tabs are now rolled out and available to all release users on Firefox 136. How to enable itGo to Firefox Settings → General → Browser Layout and check Show sidebar. Then, choose the settings icon in the side...

Change the app icon background to white

The app icon for Android/iOS has a horrendous black background which looks terrible and visually clashes with every other icon. It makes me actively not want to use the app because it looks so terrible next to every other app on my home screen which ...

Close Duplicate Tabs Across All Windows

I was excited when "Close Duplicate Tabs" launched. No longer would I see three instances of myself in the same cloud document... However, "Close Duplicate Tabs" only closes duplicate tabs within that window. But duplicate tabs in other windows remai...

Retention rules for tags

Regardless of email account (right now I've got 4 hooked up to Thunderbird), I want to be able to tell Thunderbird something like "Emails tagged 'Promotional' should be deleted after 2 weeks".If I wanted to do that right now, I'd have to set up filte...

Display a color bar for tags in card view

Currently the tagged messages are not enough visible (in previous Thunderbird version the text was of the color of the tag but not anymore) : therefore it will be more visible like that Thank again for this great softwareBest,Chris

Help shape the future of Tab Groups in Firefox!

Hello everyone, My name is Devin Sandoz and I’m a product marketing manager at Mozilla. @ssmagula is the product manager. I'm posting on behalf of the Tab Groups team who are working to help you be more productive and happy when using Firefox. We wan...

Auto PiP on Firefox Mobile

To activate PiP in Firefox mobile today, I need to play a video, go into full screen mode, turn the phone to horizontal orientation, swipe up, and then tap the home screen for PiP to appear. Why not auto-detect that a video is playing and auto-pop it...

Video autoplays on YouTube if you click on channel name (autoplay disabled)

Per title, if you have blocked video autoplay on YouTube, video will still autoplay on channel home page if you click on the channel name on the home page results. I know it sounds confusing so here are the steps.1. Go to YouTube's home page.2. Ideal...

AI Chatbot, at your service

Tired of constantly switching tabs and copy-pasting content to your favorite AI provider? Us too. That’s why, after an initial soft launch, we’re gradually rolling out the AI Chatbot access to everyone. You can find it in Settings > Firefox Labs or r...

Date Text Format available in ISO 8601 format (e.g. 2025-03-14)

I'm a fan of the ISO date format, it makes much more sense, is region independent and also good to sort with. Thunderbird just supports the short and long fixed (for central European slightly weird) format. Any chance to add ISO 8601 format to the Se...