As already mentioned, the dark theme for incognito mode is available for Google Chrome Canary version 91 as a flag. If you use Canary, then you can enable it by typing “chrome://flags” in the ...

Version 13.01 of YouTube features strings that note a “Dark theme” and the ability to use it “throughout the app.” Advertisement - scroll for more content ...

Another big feature that could make its way to the YouTube app is Incognito mode. The app already lets you pause watch and search history, but that requires enabling both of them in settings.