Hi!

I've edited MediaWiki:Common.css on Polish Wikipedia with an intent to hide some template's error messages in the mobile app. After two hours, the app version of an article is still being served with an outdated version of the stylesheet. (https://pl.wikipedia.org/api/rest_v1/page/mobile-html/Trz%C4%99sienie_ziemi_w_Mesynie_(1908) - these red "ODN: brak numeru strony " shouldn't be visible).

How long are stylesheets cached in that API?

User:Msz2001