Firefox 53 Beta Drops Pre-P4/Opteron On Linux, New Compact Themes
Written by Michael Larabel in Mozilla on 8 March 2017 at 09:45 PM EST. 31 Comments
MOZILLA --
With Firefox 52 having sailed earlier this week, Mozilla has pushed Firefox 53.0 into beta.

This week's Firefox 53.0 beta includes some theme changes so that lightweight themes are applied to private browsing windows and there are two new "compact" themes in Firefox (dark and light). Firefox's Reader Mode now also displays estimated reading times for a web page.

On the Windows side there are a lot of changes, with macOS they now have switched to being 64-bit only, and on the Linux side they have dropped support for processors older than the Intel Pentium 4 or AMD Opteron.

One other cool change with the Firefox 53.0 beta is support for WebM videos with alpha to play videos with transparent backgrounds.

More details on the Firefox 53.0 beta via Mozilla.org.
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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 10,000 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 or contacted via MichaelLarabel.com.

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