Firefox 93.0 Free Download 2021 Apr 2026

: The built-in PDF viewer gained the ability to fill out more types of forms, including XFA-based forms used by many government agencies.

: This was one of the last major versions to support older macOS versions before the transition to newer Extended Support Release (ESR) cycles. Firefox 93.0 Free Download 2021

: This update improved the "SmartBlock" mechanism that provides replacements for commonly blocked trackers, ensuring that websites don't "break" when tracking protection is set to Strict. : The built-in PDF viewer gained the ability

: To prevent memory exhaustion, Firefox 93.0 automatically unloads least-recently-used tabs when system memory is critically low. This process preserves the tab's state so it can be reloaded exactly where you left off when you click back on it. Firefox 93.0 Free Download 2021