Maybe try to add support for Twitter Lume?

[squog1111]

I love oldtwitter, but now I use Twitter Lume, and I wondered if both worked at the same time, sadly they did not.
https://chromewebstore.google.com/detail/twitter-lume-reskin/khaeenckjiflnchbnejmackcgomcbnmk

[dimdenGD]

It's not possible, because OldTwitter is entirely different client. You can change color theme in settings though!

[squog1111]

Oh awesome, thanks