> Then I have the exact same problem when support dies in the coming months though.
Good news! Even Firefox ESR 60 always you to disable the mandatory signature checks by setting the "xpinstall.signatures.required" pref = false. The Mozilla add-on wiki was a little unclear, so I just manually verified that the "xpinstall.signatures.required" pref works correctly in Firefox ESR 60. :)
I know this is exactly what you're trying to avoid, but could you upload an example unsigned extension? I'll try to figure it out, could be a bug somewhere.
Thank you for offering to help! I actually just figured out how to fix it right now myself. The solution is to delete the following lines in prefs.js, then restart unbranded-Firefox twice:
user_pref("extensions.databaseSchema", 27);
user_pref("extensions.e10s.rollout.policy", "50allmpc");
Edit:
For anyone else trying to auto-obtain the latest stable Firefox nightly, here's a hacky command (change for your OS as needed):
curl -s "https://wiki.mozilla.org/Add-ons/Extension_Signing" | sed -n "0,/Windows 64-bit Installer/{s/.*href=\"\\(https:[^\"]*\\.zip\\)\">Windows 64-bit Installer<.*/\\1/p}"Glad to hear you worked it out, good luck! Looking around there are a few levels of cache around whether addons are enabled, I guess those are what you need to clear it.
It's a temporary hack, but you might also want to look at temporarily loading extensions with about:debugging, this works even in official release.
Then I have the exact same problem when support dies in the coming months though.
> or the unbranded builds [1]
Interesting, so does this mean that if I want stable builds, I'd have to manually update to the exact unbranded counterpart of that stable version?
> I'm curious what your concerns are with the unlisted extensions option from Mozilla?
I guess because I really don't see what business they have forcing me to upload my extensions to their servers? Same reason why people don't like uploading Chrome stuff to Google servers?
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Edit:
I'm trying out the unbranded builds and running into a problem when I try to use my existing profile: disabling signature checking doesn't work. However, it works on a fresh profile. Not sure what the problem is...