Firefox 63 for Android follows on the desktop version, which introduced various performance improvements for Windows and macOS users, WebExtensions improvements for Linux users, better content blocking, search shortcuts for top sites, as well as other changes you can view at a glance in our initial report. For Android users, the Firefox 63 web browser adds Picture-in-Picture (PiP) support for video streams so you can watch the video in a separate, smaller window while doing something else on the Web or on your device, support for the English Canada (en-CA) and Ligurian (lij) languages, and support for notification channels.