This isn't quite the bug report I wanted to wake up to:
All Firefox extensions disabled due to expiration of intermediate signing cert on 2019-05-04:
@fribbledom Yeah, I saw this, and really want to install a vertical tab extension, but I can't
I've tried a few of the workarounds but they don't seem to work ...
You can open "about:config" and set "xpinstall.signatures.required" to false.
Just don't forget to re-enable it once the fix is out.
@fribbledom I tried that, but it didn't work - do I need to do anything else?
Oh, so you still got a running instance and just wanted to install a new addon right now?
Tough situation, really. I probably wouldn't risk it.
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