windowrulev2 = suppressevent maximize, class:.* # You'll probably like this.

workspace=1,monitor:DP-3,default:true,persistent:true
workspace=2,monitor:DP-3,persistent:true
workspace=3,monitor:DP-3,persistent:true
workspace=4,monitor:DP-3,persistent:true
workspace=5,monitor:DP-3,persistent:true
workspace=6,monitor:DP-2,default:true,persistent:true
workspace=7,monitor:DP-2,persistent:true
workspace=8,monitor:DP-2,persistent:true
workspace=9,monitor:DP-2,persistent:true
workspace=0,monitor:DP-2,persistent:true

windowrulev2 = stayfocused, class:(swappy)