Your system information

• Steam client version (build number or date): image

Steam Version: 1684288425
Steam Client Build Date: Wed, May 17 02:32 UTC -08:00
Steam Web Build Date: Wed, May 17 02:08 UTC -08:00
Steam API Version: SteamClient020

• Distribution (e.g. Ubuntu):

PS /home/rokejulianlockhart> uname -a
Linux RQN6C6 6.3.1-2-default #1 SMP PREEMPT_DYNAMIC Tue May  9 07:50:57 UTC 2023 (78ee477) x86_64 x86_64 x86_64 GNU/Linux
PS /home/rokejulianlockhart>

• Opted into Steam client beta?: Yes
• Have you checked for system updates?: Yes

Please describe your issue in as much detail as possible:

steam interprets the close window command sent by the window manager (https://invent.kde.org/plasma/kwin in my case) to mean quit, not close the window. However, steam should interpret the command to mean close the window rather than quit, because steam's current behaviour is nonstandard.

Steps for reproducing this issue:

1. Download KWinRules_NoTitleBarAndFrame.zip.
2. Unzip the .kwinrules file.
3. Rename its extensions to simply .kwinrules rather than .txt.kwinrules.
4. Import the .kwinrules file via
   demonstrates that this works.
5. Launch steam.
6. Close steam using the title bar.
   steam shall immediately quit.