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Firefox 66.0.4 Released To Address The Broken Add-Ons Issue Due To Expired Certificate

Written by Michael Larabel in Mozilla on 5 May 2019 at 06:59 PM EDT. 26 Comments

After a long weekend, Mozilla has released Firefox 66.0.4 to address the glaring omission on Friday that led to most browser add-ons getting disabled due to an expired certificate used for signing these plug-ins.

Firefox 66.0.4 is available this afternoon and has a new certificate in place so it should restore support for all the browser add-ons that expired at midnight on Friday. There have been workarounds to disable the signing check and Mozilla began pushing out an updated certificate on Saturday, but Firefox 66.0.4 is for those using distribution/OS packages of Firefox that don't see automatic updates, etc.

Go forth and grab Firefox 66.0.4 from Mozilla FTP if you use add-ons and were affected by the issue.

26 Comments

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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 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.