Mozilla Connect

The new Firefox design lands in today. This is what you can expect

Firefox has evolved significantly over the past year and now, its look has evolved too. The design begins rolling out today, with Firefox 157, bringing a cleaner, more cohesive , and more adaptable experience. It is still the Firefox you know and tr...

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...

Sidebar / Vertical tabs: Option to Keep Vertical Tabs Visible in Full-Screen Mode

SummaryAdd a setting or flag that allows the vertical tabs sidebar to remain visible while Firefox is in full-screen mode on a Desktop.BackgroundPreviously, when using Firefox with vertical tabs, entering full-screen mode would keep the vertical tabs...

A thinner Vertical Tab Sidebar needed (ver 157.0.1).

Settings > appearance > Window density > Compact = Adjust the spacing around window elements like toolbar, tabs, and sidebar. (ver 157.0.1).I want to see more of the contents of the website I'm looking at, and I don't want a thicker vertical tab side...

Firefox Sidebar and Vertical tabs: try them out in Nightly Firefox Labs 131

Hi folks, Vertical tabs and a new sidebar experience that make multitasking and context-switching easier are now available in Nightly 131. To try them, update to the latest Nightly and go to Settings > Firefox Labs, and activate the Sidebar and Verti...

A thinner Vertical Tab Sidebar needed (ver 157.0.1).

Settings > appearance > Window density > Compact = Adjust the spacing around window elements like toolbar, tabs, and sidebar. (ver 157.0.1).I want to see more of the contents of the website I'm looking at, and I don't want a thicker vertical tab sid...

Sharing more about Project Nova

Hello everyone! Many of you have noticed some of the design updates appearing in certain Firefox configurations over the past few months. Internally, we’ve been calling this work Project Nova, and today we’re excited to share a deeper look at what we...

Reduce Thunderbird UI Latency / Improve Responsiveness

From the startup time to searching to drafting/sending a message, the UI feels comparatively slow relative to using Gmail. One idea is to have a 'slim' draft message option; the idea being if I have Thunderbird set as my default email client and I cl...

Cannot signin to Amazon.com with Firefox 156.0.1

Firefox 156.0.1 and Windows 10 PC. Tried on two computers. Removed Amazon cookies and data. Cannot sign on to Amazon since ??Sept 19th when signed out of all devices. Activated 2FA with Authenticator. Works on all mobile devices. On desktop rejects p...

Firefox offline but rest online!

About 30 minutes ago my Firefox stopped working. Everything else is online. Safari. WhatsApp. What could cause this? Tried even the nuclear option in troubleshooting.