Download Firefox Esr 91 _top_ Guide

The final planned release for this branch was version 91.13.0 , available at Index of /pub/firefox/releases/91.13.0esr/ .

Enhanced privacy by isolating cookies to the site where they were created, preventing cross-site tracking. System Requirements Release Notes - 91.0esr Firefox ESR

Automatically attempts to load all websites over a secure HTTPS connection in Private Browsing mode. download firefox esr 91

Firefox 91 ESR introduced several significant upgrades from its predecessor (78 ESR), making it a major shift for enterprise deployments:

Features a cleaner design and better integration with system-level printer settings. The final planned release for this branch was version 91

For users who need a version that runs without installation, PortableApps.com offers a legacy 91 build. Key Features of the 91 ESR Branch

Included native support for macOS devices built with Apple M1/M2 CPUs, resulting in 2.5x faster launch times. Firefox 91 ESR introduced several significant upgrades from

Improved private browsing by providing stand-in scripts for blocked trackers, preventing website breakage.