Mozilla Connect

Take Project Nova for a spin in Nightly!

Hi there! I'm Ashley, Senior Staff Product Manager for Firefox. After months of updates on Project Nova, it's finally in Nightly, ready for you to see for yourself. We're modernizing Firefox from the ground up to ensure it remains a fast, secure, and...

Support MacOS native Look Up feature in context menu

https://support.apple.com/guide/mac-help/look-up-words-mchl3983326c/mac This is a feature I have dearly missed since migrating from Chrome. Currently it is only accessible through ctrl + cmd +d or using three-finger click.

Display Message Body As by account or folder

I use Thunderbird for work and for personal emails. For security and readability, I turn most of my messages to Simple HTML. However, it would be nice to see a way to turn on Original HTML for my work account. As it is now, I'd have to constantly s...

Please be possible to get to enable for Element (Chat)

Feedback on the new UI: corner rounding, dark theme, and window density

Please reduce the corner radius of tabs and other UI elements. This is one of the things I really hate about Chrome. Alternatively, at least consider adding an option in the Appearance tab in the future to adjust the corner radius. I think this would...

Smart Window Beta Feedback

Hi everyone,We’re starting an early test of Smart Window in Firefox and wanted to create a place to gather feedback. If you’re here from Firefox and already have access to Smart Window, please tell us what’s working, what isn’t, and what you’d want n...

Thunderbird app on Android is slow and unresponsive

I am a Thunderbird fan and I have recently installed the TB app on my Android cellphone.I am quite disappointed by the slow response in loading and updating messages.Compared to Gmail app, it is really frustrating.Any comment or hint I can use to mak...

Prevent sites from detecting the use of Dev Tools

As per this thread:https://www.reddit.com/r/firefox/comments/12hdx1v/mozilla_needs_to_launch_their_dev_tools_in_a/Some sites (don't have any handy right now) detect and "sabotage" your browsing if you open dev tools. For example, they'll go into a de...

auto cookie delete when website closes

I saw this article and thought it will also be a great feature for firefox.(sorry that it is in dutch) https://tweakers.net/nieuws/209720/brave-browser-krijgt-optie-om-cookies-automatisch-te-wissen-bij-sluiten-website.html

How can Firefox create the best support for web apps on the desktop?

Latest update August 21, 2025: https://connect.mozilla.org/t5/discussions/how-can-firefox-create-the-best-support-for-web-apps-on-the/m-p/103673#M40222 Previous update June 25, 2025: https://connect.mozilla.org/t5/discussions/how-can-firefox-create-t...