Re:All extensions disabled due to expiration of intermediate...
by Wowfunhappy on Saturday May 04, 2019 @11:20AM
(#19826972)
Okay, figured it out. Thank you for giving me the search term "Unbranded Firefox"—I didn't realize this referred to something specific.
Unbranded Firefox is actually a specific version of Firefox distributed by Mozilla, which allows you to disable extension signing requirements. I am very glad to see that they offer this, and I will be using it from now on.
https://wiki.mozilla.org/Add-ons/Extension_Signing#Unbranded...
If you can recommend an fork that allows extension sideloading but is kept up to date, please do so, I’ve been looking...