: Hardware acceleration for faster loading, direct image downloads from PDFs, and the ability to reorganize, move, copy, or delete pages within the viewer.
: Those who need to test their websites against the next browser version to ensure compatibility. Safety & Risks Firefox Beta — Web Browser
: 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 : Hardware acceleration for faster loading, direct image
While Firefox Beta is generally stable enough for daily use by advanced users, it carries specific risks: Release Notes - 148
: 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.
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)