is the pre-release version of the Mozilla Firefox web browser, designed for users who want to test upcoming features before they are officially launched to the general public . It serves as a middle ground between the highly unstable Nightly builds (alpha) and the polished Standard release. Key Features (April 2026)
: Automatically blocks notifications and revokes permissions for sites flagged as malicious by SafeBrowsing to prevent spam or phishing. Firefox Beta — Web Browser
: It is less stable than the standard release and may experience occasional crashes or performance issues. is the pre-release version of the Mozilla Firefox
: Hardware-accelerated SVG filter primitives and Wide Color Gamut (P3) support for Windows and macOS, providing more vivid colors in games and video. Target Audience : It is less stable than the standard
: Individuals willing to report bugs and crashes to help Mozilla finalize performance tweaks.