Together, We Build a Better Web

A community-driven Web developer engagement initiative focused on the backward compatibility and regressions in Firefox. Documents, latest updates & more.

Latest Blog Post

Sorry for the late blog post for the upcoming release since we have been busy with other stuff for a while!

Firefox 62 has been on the Beta/DevEdition channel now for 8 weeks, and will be shipping in 3 weeks on September 5. You may already have read through our Firefox 62 site compatibility notes, but here are some updates:

We also have started preparing Firefox 63 site compatibility notes. One notable change is the distrust of Symantec, GeoTrust, RapidSSL, Thawte, Verisign certificates which is already known to affect some major sites as well, including PayPal and Etsy. You should double check your site’s SSL/TLS certificate to avoid any unexpected service interruption.

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