Mozilla releases Firefox 139.0.1 update to fix artifacts on Nvidia GPUs

Mozilla has rolled out an emergency Firefox 139.0.1 update after the Tuesday release caused graphical artifacts on PCs with NVIDIA GPUs. Firefox 139 shipped on May 27 with features like Full-Page Translations, but it also caused graphical artifacts when browsing the web in Firefox. In a Reddit thread, several Firefox users complained that videos would flicker or flash. This issue also affects webpages, including sites like Instagram. Mozilla has quickly identified the root cause and has shipped a hotfix with v139.0.1. In a post on Bugzilla, Mozilla confirmed that Firefox 139 re-enabled a specific DirectComposition path behavior, which caused these issues. In previous releases, Firefox kept a block list that stopped Firefox from using DirectComposition on mixed-refresh NVIDIA setup. Unfortunately, the block list was removed with Firefox 139, and it allowed the browser to use DirectComposition in a way that exposed a graphics driver bug on NVIDIA cards under Windows 10. When you p ... Read full article.