Hello @rokejulianlockhart, I'm fairly certain this feature request isn't going to happen. Cross-platform consistency here is more important than OS-specific integration.
https://github.com/ValveSoftware/steam-for-linux/issues/10022#issuecomment-1694674683
Why, @kisak-valve? I don't see any disadvantage to this. https://www.reddit.com/r/linux_gaming/comments/19b95ml/comment/kis851g/?utm_source=share&utm_medium=web2x&context=3 rather demonstrates significant support for the idea. Regardless, regarding colouration at least, please see https://www.reddit.com/r/linux_gaming/comments/19b95ml/comment/kj221sg/?utm_source=share&utm_medium=web2x&context=3 for an actionable method of improvement.
Your system information
https://github.com/ValveSoftware/steam-for-linux/issues/10016#issue-1868477395
Please describe your issue in as much detail as possible:
The current Steam context menus are entirely custom. This means that they do not respect the colouration (or more generally, appearance) of the DE's context menus.
Steps for reproducing this issue: