Firefox Beta Вђ” Web Browser May 2026

: A native multitasking tool that allows users to view two web pages side-by-side in a single window for easy comparison.

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) Firefox Beta — Web Browser

: It is less stable than the standard release and may experience occasional crashes or performance issues. : A native multitasking tool that allows users

: 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 Key Features (April 2026) : It is less

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