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You might be able to run unsigned extensions in Firefox Nightly or Developer Edition by setting the about:config pref "xpinstall.signatures.required" = false.
by cpeterso 10y ago
You might be able to run unsigned extensions in Firefox Nightly or Developer Edition by setting the about:config pref "xpinstall.signatures.required" = false.
Mozilla is testing a "TreeStyleTabs Lite" UI called Tab Center. You can install it using the Mozilla Test Pilot addon:
https://testpilot.firefox.com/experiments/tab-center https://testpilot.firefox.com/experiments/tab-center