It used to work like a charm, but a few days ago the emote button suddenly disappeared every time I clicked on it. I can still see others using them in chat but I can no longer use them. No idea what caused it since I didn't change anything, it just happened over night and reinstalling just stopped the emote button from appearing at all.
Update: Can confirm what Shiro wrote, disabling the add-on "Ghostery" on Twitch lets the emote button work again as intended. However there was no conflict before, would be nice if they can work together again.

Stopped working in Firefox, which is my preferred browser. Developer claims they see no issues on their end. I think they need to re-check it. Emotes are NOT working AT ALL. And, yes, I have re-checked my own settings to make sure configuration is correct. As of 2/2/2025, this add-on is still not working. I can't access emotes at all.

The good ol' tried and trusted BTTV. 7TV doesn't work on Firefox.

Works good for channel points and drop redeems, but emotes and emote menus don't work at all. Actually, the entire settings menu isn't there when I open chat settings- so it seems like nothing in that regard is functioning.
Hopefully this gets fixed, because it's been like this for a long while (even after removing and re-adding the addon multiple times)
EDIT (READ IF YOU HAVE THIS ISSUE):
Okay, if you have this issue remove the extension, clear the cache of both twitch and the bttv website, restart your browser, then come back here and install the extension. A page should pop up asking for permissions, hit "allow"

Addon works right now, but 7tv emotes no longer show up in menu if you want to use 7tv emotes.

Really nice add-on that claims my channel points and gives a better UI to emotes. Not sure if it's just me or not but the auto join raid doesn't seem to work. I tend to leave a channel running for points and support so I like not auto joining raids.

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Nice extension but I'd only consider it a 5 if we didn't have to download other extensions to actually see every emote that people use around.

Overall an incredible addon with a lot going for it, though unfortunately the autocomplete for emotes stopped working for a lot of emotes recently.