Jumping in here because I have the same problem with CO2 and open Blinds in M2 & M3:
This works:
This does not work (In my opinion correct setting?):
Card:
With the Blinds it is a bit different because I want to see inverted badge (blinds closed). For that I have customized it according that:
config:
badges:
blinds:
expression: Number.parseInt(state) > 0
Configuration:
Group Blinds:
And in Group:
This has worked in 4.x.x, in OH5 not anymore