Firefox 55.0.1

The latest version of Firefox includes more than 1,000 improvements and performance enhancements that make it easier to discover and use all of the innovative features in Firefox. This release adds support for more modern Web technologies that make it easier for developers to build amazing Firefox Add-ons, Web applications and websites.

Firefox includes the Do Not Track privacy feature in this release, making Firefox the first browser to support Do Not Track on multiple platforms. Mozilla created Do Not Track to give users more control over the way their browsing behavior is tracked and used on the Web. The feature, which lets users tell websites that they wish to opt-out of online behavioral tracking, is now easier to find in Firefox Preferences.

Firefox for Windows, Mac and Linux now supports the CSS Animations standard to enable developers to build more amazing Web applications and websites.