paper onyx
1st of November it was perfectly fine. 2nd of November it completely disables itself and reinstallation doesnt work and config for streamer section along with compatability for other extensions seems to just be blank screens or greyed out to not able to be touched
dusky edge
you can access 7tv extension settings on https://twitch.tv in top right corner
onboarding is not meant to be used after first time
paper onyx
I fixed it, ended up having to recover Opera GX as a whole and after one more setup it started working correctly