When you open the Firefox Browser after reaching a certain user milestone, you’re shown a Firefox Browser welcome page in a new tab.
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
If Firefox was open when Windows shut down, Firefox may reopen automatically the next time you start Windows. You can disable this feature.
How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.
Enable Full Disk Access on macOS version 10.14 (Mojave) or higher, so that you can import data from your Safari browser into Firefox.
Learn more about this new Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.