Thanks @bmercier and @bpwwer for the information.
@bpwwer I completely agree with what you are saying and my ticket goes with your opinion as well. The button shouldnt stay 'ON' forever in my opinion also.
I have asked for an update 2 days ago on both, still no reply.
If anyone from UDI is seeing this, my tickets are 25897 (opened 26 days ago, asked for update 8 days and 2 days ago) and 26041 (opened 11 days ago and asked for update 2 days ago).
Does anyone have zigbee temp sensors working with the zmatter board? Looking to know which ones will work for sure as the couple I tried have not worked.