Firefox Beta | Вђ” Web Browser

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

As of April 2026, Firefox Beta (Version 151.0) and recent builds have introduced several advanced capabilities: Firefox Beta — Web Browser

: Individuals willing to report bugs and crashes to help Mozilla finalize performance tweaks. : By default, Beta sends anonymized usage and

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) It serves as a middle ground between the

: A dedicated "AI Controls" section in settings to manage features like the "Smart Window," which uses AI for article summaries, quick definitions, and product comparisons.

: It is less stable than the standard release and may experience occasional crashes or performance issues.