All addons don’t won’t work on any Addon/extension page, across all browsers. I don’t know why, but if I had to take an educated guess, it’s so extensions can’t make you download malware addons.
That said, on firefox, you can enable any extention to have thar privilege.
Addons for darkening don’t work on addons.mozilla, the irony!
Because it is blacklisted for any addon to work. It’s a security measure.
All addons don’t won’t work on any Addon/extension page, across all browsers. I don’t know why, but if I had to take an educated guess, it’s so extensions can’t make you download malware addons.
That said, on firefox, you can enable any extention to have thar privilege.