Mozilla’s support path for users running pre–Windows 10 desktops has reached a clear milestone: Firefox 115 ESR will be the last maintained Firefox build for Windows 7, Windows 8 and Windows 8.1, and Mozilla’s support documentation now states that security updates for those legacy installations...
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Mozilla will stop delivering security updates for Firefox on Windows 7, Windows 8, and Windows 8.1 as the maintenance window for the Firefox 115 Extended Support Release (ESR) closes at the end of February / early March 2026, leaving those legacy Windows installs without any mainstream, actively...
