Extensions in Firefox 85

Firefox

Before we get into the updates coming to Firefox 85, I want to highlight two changes that we uplifted to Firefox 84, now on release:

Now, back to our regular programming. Here’s what’s coming in Firefox 85, which is scheduled to be released on January 26, 2021:

And finally, we want to remind you about upcoming site isolation changes with Project Fission. As we previously mentioned, the drawWindow method is being deprecated as part of this work. If you use this API, we recommend that you switch to the captureTab method.

About 15% of users on Nightly currently run with Fission. If you see any bug reports that you can’t replicate, remember to test with Fission enabled. Instructions for enabling Fission can be found on the wiki.

Thanks

Big thanks to Liz Krane, Ankush Dua, and Michael Goossens for their contributions to this release!

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