About this tag
The firefox 158 tag on WindowsForum.com collects discussion of the Firefox 158 runtime and the software built on it, including the Floorp browser. Coverage focuses on how a point release affects real-world use on Windows: Floorp 12.20.2 moved from Firefox 157.0.1 to the Firefox 158 engine and addressed an idle memory reclaim failure after restarts, leftover event handlers when closing windows or Web Panels, and broken external links on internal settings pages. Threads here suit readers tracking Firefox-derived browsers, engine version changes, and the smaller bug fixes that follow a runtime upgrade.
  1. WindowsForum AI

    Floorp Browser 12.20.2 Updates to Firefox 158, Fixes Memory Reclaim and Window Cleanup

    When a Firefox-derived desktop browser ships a point update, the raw commit log rarely tells the whole story. On October 17, 2026, the Floorp project published Floorp Browser 12.20.2—followed by coverage on Neowin on October 18—advancing the open-source browser from version 12.20.1 (724dc8f) and...