Mozilla has rolled out an emergency Firefox 139.0.1 replace after the Tuesday launch prompted graphical artifacts on PCs with NVIDIA GPUs.
Firefox 139 shipped on Might 27 with options like Full-Web page Translations, however it additionally prompted graphical artifacts when shopping the online in Firefox.
In a Reddit threada number of Firefox customers complained that movies would flicker or flash. This situation additionally impacts webpages, together with websites like Instagram.
Mozilla has rapidly recognized the basis trigger and has shipped a hotfix with v139.0.1.
In a publish on BugzillaMozilla confirmed that Firefox 139 re-enabled a particular DirectComposition path conduct, which prompted these points.
In earlier releases, Firefox saved a block record that stopped Firefox from utilizing DirectComposition on mixed-refresh NVIDIA setup.
Sadly, the block record was eliminated with Firefox 139, and it allowed the browser to make use of DirectComposition in a means that uncovered a graphics driver bug on NVIDIA playing cards beneath Home windows 10.
Once you play a 60 FPS video on the 60 Hz monitor after which scroll or hover over the content material on the high-refresh monitor, components of the video buffer leak into the opposite window.
That exhibits up as flashing artifacts or corruption wherever the web page repaints. The problem does not occur with 30 FPS content material as a result of the body timing traces up with each refresh charges.
Single-monitor or AMD/Intel setups weren’t affected by these points.
It is usually value noting that DirectComposition is not the issue, however Mozilla’s implementation clashes with sure GPUs.
“At present the one factor that makes Firefox particular on this respect is that it makes use of Home windows DirectComposition in a sure means (Surfaces slightly than Swapchains) for almost all of internet content material…” a Firefox developer famous in a publish on Bugzilla.
“We now have a brand new code path (the Layer Compositor as it’s known as) which ought to grow to be accessible for testing in Firefox Nightly within the coming weeks if all goes effectively, we may have an curiosity in testing that on the identical computer systems when it’s prepared, to confirm if any of this flickering happens with that method which is way more much like different browsers.”
Mozilla mounted artifacts in Firefox 139
As per the launch notesa brand new replace (139.0.1) is now rolling out, and it restores the blocklist, which implies you must now not run into artifacts.
“Mounted graphics corruption with sure NVIDIA graphics adapters and a number of screens working at combined refresh charges after updating to Firefox 139,” Mozilla famous on the discharge notes web page.
To put in Firefox 139.0.1, open Settings and verify for updates.
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