Added content blocking, a collection of Firefox settings that offer users greater control over technology that can track them around the web. WebGL power preferences allow non-performance-critical applications and applets to request the low-power GPU instead of the high-power GPU in multi-GPU systems.Performance improvements for macOS users Firefox theme now matches the Windows 10 OS Dark and Light modes.Moved the build infrastructure of Firefox on Windows to the Clang toolchain, bringing important performance gains.Locales added: English from Canada (en-CA), and Ligurian (lij)Ĭhanged: App now targets Oreo with security and performance improvements and support for new features - Performance and visual improvements for Windows users.Added support for Picture-In-Picture video.

You can head over to Firefox options > Preferences > Privacy & Security > Content Blocking > Third party cookies and select 'Trackers (recommended).' Release notes of Firefox 63.0 for desktop and Android - New for Android

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