Firefox Beta Вђ” Web Browser «Pro»

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)

: 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

: Individuals willing to report bugs and crashes to help Mozilla finalize performance tweaks. Firefox Beta — Web Browser

: By default, Beta sends anonymized usage and telemetry data to Mozilla to help identify and fix bugs.

: 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

: Users may encounter minor issues, such as websites not rendering correctly or temporary loss of history/bookmarks.

As of April 2026, Firefox Beta (Version 151.0) and recent builds have introduced several advanced capabilities: Target Audience : Individuals willing to report bugs

: On desktop, the Beta version often acts as an upgrade to the standard version rather than a separate installation, which can alter your existing user profile. Release Notes - 148.0beta Firefox Beta