https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3581785556
Please prevent your generic Steam process from eating all CPU and overheating my laptop.

Enabling "Enable GPU acceleration in web views" fixed this.
I would prefer dedicating my (quite mediocre) GPU to tasks more important than rendering of some static text in my Steam Library, thank you very much.

I'd like to point out that it wasn't a problem until some update in early October.
Ubuntu 25.04 x 64, no flatpaks, no snapd packages, no tinkering with OS.