[1kurac]

What settings did you use for Slack, and did you, by chance, have `downclock_on_battery=` enabled?

https://github.com/kernc/xsuspender/blob/92ea5c6dfcb0f79eb10...

[m0ngr31]

I did have that enabled, disabled it and still had the same issue.

[Slack]

match_wm_class_contains = slack

send_signals = false

IIRC, I still had issues with this setting