On stackoverflow.com, I went into dark-mode in chase of the 2cool4skool hat. I didn't get it there, but I did on pt.stackoverflow. com, which I have not visited prior to getting this hat.

Seems to be a bug, hopefully not applying for other hats too.

1 Answer 1


It's not a bug, it's a feature. Activating Dark Mode on the English Stack Overflow site automatically activated it on the other Stack Overflow sites as well. Hats (like badges) are awarded at semi-random times, that's why you got it on Portuguese Stack Overflow first.

  • 1
    It's worth reiterating that Dark Mode is only available on SO (in English, as well as the international SO sites) right now.
    – V2Blast
    Commented Dec 14, 2022 at 21:53
  • (Also, I believe the processes that grant hats are only run every so often, if you haven't received a hat on one site right after meeting the trigger, give it a few minutes.)
    – V2Blast
    Commented Dec 14, 2022 at 21:56
  • 2
    Dark Mode being SO only is already mentioned in the hat description (which the OP linked to), so that would IMHO feel kinda superfluous. Same as the hat granting process, that is in the FAQ. Of course, I don't know how obvious/discoverable this is to new users here ...
    – Glorfindel Mod
    Commented Dec 14, 2022 at 21:56
  • Still sad that Dark mode is still not available stack wide, same as the last summer bash
    – Jo King
    Commented Dec 14, 2022 at 22:45

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