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⇱ Firefox 141 Release Brings Lower RAM Usage On Linux - Phoronix


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Firefox 141 Release Brings Lower RAM Usage On Linux

Written by Michael Larabel in Mozilla on 21 July 2025 at 05:55 AM EDT. 38 Comments
The Mozilla Firefox 141.0 release binaries are out today for this monthly update to this cross-platform, open-source web browser.

Most significant with the Firefox 141 release is lower RAM usage on Linux. As shown in our benchmarks and aligning with what Mozilla was reporting, Firefox 141.0 on Linux enjoys much lower RAM usage than previous versions of Firefox on Linux.

Firefox 141.0 also no longer requires a forced restart after an update has been applied by a package manager.

The Firefox 141 browser update also now clears the back-forward-cache upon receiving the Clear-Site-Data: "cache" response header, enables the WebGPU API on Windows, and brings various web API additions. Details on all of the web developer additions in Firefox 141 via developer.mozilla.org.

👁 Firefox 141


Ahead of the official announcement on Tuesday, those wanting to upgrade to Firefox 141 right now can find the release binaries via ftp.mozilla.org.

In case you missed it see our recent Firefox 120 To Firefox 141 Web Browser Benchmarks .

Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.