Because 109 is a legacy version, it is no longer listed on Microsoft.com's main download page (which now serves version 120+).
The nonstandard Event.path API was removed to improve web compatibility, and certain legacy JavaScript behaviors (like the 1ms clamp for setTimeout ) were phased out. 18;write_to_target_document7;default0;2b5;18;write_to_target_document1a;_zVvtaaWIBfOPwbkPz-DzsA8_20;2a; Ongoing Support Status 0;16; microsoft edge version 109
: Included 14 new settings (7 computer, 7 user) but maintained the version 107 package as the recommended security baseline Web Compatibility : Removed the non-standard Event.path API to align with modern web standards. Microsoft Learn Lifecycle for Older Systems While version 109 remains functional on older OSs, its support status varied by platform: Windows 7 & 8.1 : Support ended in February 2023. Windows Server 2012/R2 : Received critical security fixes through October 10, 2023 Because 109 is a legacy version, it is
Operating system lifecycles dictate browser development. When Microsoft officially ended extended security updates for Windows 7 and Windows 8.1 on January 10, 2023, the development team synchronized the Chromium pipeline to match. Microsoft Learn Lifecycle for Older Systems While version
If you are on Edge 109, you are stuck with the web as it existed in January 2023. The modern AI-driven internet will slowly become unusable.