>On desktop, Firefox Developer Edition, Nightly, and ESR still allow unsigned extensions after setting xpinstall.signatures.required to false in about:config.

>On desktop, Firefox Developer Edition, Nightly, and ESR still allow unsigned extensions after setting xpinstall.signatures.required to false in about:config. I'm aware, and that's great, but since those come with their own caveats, yabuts, exceptions, eccentricities and bugs, I don't consider any of those useful solutions to that problem for me.