Found a workaround in LUA, put it here if it can help :

Create script_device_off_delay.lua with this :

commandArray = {}
if (devicechanged['yourswitch'] == 'On') then commandArray['yourswitch']='Off AFTER 14400'
end
return commandArray

Update ! I made some test and it's working until 2 hours delay. Tried 3 hours delay but switch never went off so looks like a bug

Anyone can confirm my taught ?

Thanks !

Hello,

Same issue here. Tried a 4 hrs off delay (14400) and doesn't works as expected (v 2020.1)

Maybe @gizmocuz can help ?

Thanks !