Here is what Francesco Lodolo [:flod] <
fl...@lodolo.net> wrote on January
24 in a post with the subject Re: Firefox L10n Report - Aurora 53
> Talking about the webextension dialog, it's possible to test these permissions on Nightly or Aurora:
> * Create a new profile, in about:config create a boolean key, named "extensions.webextPermissionPrompts", and set it to true.
> * Disable XPI signatures by setting "xpinstall.signatures.required" to false
> * Download this add-on
https://bugzilla.mozilla.org/attachment.cgi?id=8829917, rename from .zip to .xpi, and install it to see the prompt for all available permissions (you don't need to actually install it).
--
Regards JR