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More Mozilla Innovation Release Notes * Desktop * Desktop Beta & Developer Edition * Desktop Nightly * Android * iOS See what's new in Firefox! Release Notes tell you what's new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release. Download Firefox -- English (US) * Windows 64-bit * Windows 64-bit MSI * Windows ARM64/AArch64 * Windows 32-bit * Windows 32-bit MSI * macOS * Linux 64-bit * Linux 32-bit * Android * iOS Your system may not meet the requirements for Firefox, but you can try one of these versions: Download Firefox -- English (US) * Windows 64-bit * Windows 64-bit MSI * Windows ARM64/AArch64 * Windows 32-bit * Windows 32-bit MSI * macOS * Linux 64-bit * Linux 32-bit * Android * iOS * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Firefox for Android * Firefox for iOS Firefox Privacy Notice 95.0 Firefox Release December 7, 2021 Version 95.0, first offered to Release channel users on December 7, 2021 # New * RLBox -- a new technology that hardens Firefox against potential security vulnerabilities in third-party libraries -- is now enabled on all platforms. * Good news! You can now download Firefox from the Microsoft Store on Windows 10 and Windows 11 platforms. Simplified browser chrome and toolbar screenshot * We've reduced CPU usage on macOS in Firefox and WindowServer during event processing. * We've also reduced the power usage of software decoded video on macOS, especially in fullscreen. This includes streaming sites such as Netflix and Amazon Prime Video. * You can now move the Picture-in-Picture toggle button to the opposite side of the video. Simply look for the new context menu option Move Picture-in-Picture Toggle to Left (Right) Side. * To better protect Firefox users against side-channel attacks such as Spectre, Site Isolation is now enabled for all Firefox 95 users. # Fixed * After starting Firefox, users of the JAWS screen reader and ZoomText magnifier will no longer need to switch applications in order to access Firefox. * You'll find the state of controls using the ARIA switch role is now correctly reported by Mac OS VoiceOver. * You'll see a faster content process startup on macOS. * We've also made memory allocator improvements. * And we've improved page load performance by speculatively compiling JavaScript ahead of time. * Various security fixes # Changed * We've added a User Agent override for Slack.com, which allows Firefox users to use more Call features and have access to Huddles. # Enterprise * Various bug fixes and new policies have been implemented in this latest version of Firefox. # Developer * Developer Information # unresolved * On macOS command-clicking links in Gmail still does not open a new tab. Workaround: you can click links in Gmail without pressing command, which will still open a new tab. Get the most recent version Download Firefox -- English (US) * Windows 64-bit * Windows 64-bit MSI * Windows ARM64/AArch64 * Windows 32-bit * Windows 32-bit MSI * macOS * Linux 64-bit * Linux 32-bit * Android * iOS Your system may not meet the requirements for Firefox, but you can try one of these versions: Download Firefox -- English (US) * Windows 64-bit * Windows 64-bit MSI * Windows ARM64/AArch64 * Windows 32-bit * Windows 32-bit MSI * macOS * Linux 64-bit * Linux 32-bit * Android * iOS * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Download Firefox * Firefox for Android * Firefox for iOS Firefox Privacy Notice All Firefox downloads Need help or want to leave feedback? File a bug Leave feedback Get Involved Did you know that most of the content in Firefox Support was written by volunteers? 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