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by johnny22 3256 days ago
they expanded the API so it's way less limited than chrome extensions. I don't understand how that's not known by folks who read HN at this point.
2 comments

Sure. But in practice everyone is just going to make extensions that are compatible with "all" the browsers, and there are developers who have simply decided not to rewrite their firefox extensions.

http://fasezero.com/lastnotice.html

doubtful, otherwise folks woudldn't have spent so much time on stuff like sqlitebrowser and other bits.
It is less limited than chrome extensions API, but still way more limited than the old API. Still no Tree Style Tabs or DownThemAll!.
There's a Tree Style Tabs-like WebExtension. It has a few quirks, though. It runs in the sidebar. It doesn't hide the top tabs (though you can do this with Stylish). It has its own menu for tabs which does not include some options (like send tab to device).

There was a very good non-nested side-tabs extension in Firefox Test Pilot, but it has expired.

Tab Center (the extension from Test Pilot that expired) is not an WebExtension. It is a classic extension that will stop working in FF56.

Yes, I'm using it ;)