Firefox 40 Brings Off-Main-Thread Compositing For Linux
Written by Michael Larabel in Mozilla on 11 August 2015 at 01:25 PM EDT. 17 Comments
For Firefox users that didn't hear yet: Firefox 40 is now available! Firefox 40 is huge for Linux users thanks to it landing the off-main-thread compositing support by default.

Firefox on Linux should yield improved scrolling, faster graphics, and improved video playback performance with now implementing off main thread compositing. Firefox OMTC support was talked about earlier this summer in detail within our The State Of Various Firefox Features article.

Firefox 40 also adds support for Windows 10, has improved protection against unwanted software download, the graphic blocklist mechanism has been improved, NPAPI plug-in performance has improved with async initialization, JPEG images now use less memory when scaled, HTML5 improvements, and various developer additions.

More details on Mozilla Firefox 40.0 can be found via the release notes. I look forward to upgrading to Firefox 40 this afternoon!
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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