Requesting development on 2021 Sony Xperia Phones

Requesting development for the Sony Xperia 1 III and Sony Xperia Pro-I.

There is already a lineage version out on xda:

The poster says they have VoLTE working…

I personally have great interest in these devices as I’m looking for a viable replacement to my S9.

Tmobile is killing their legacy network for calls in the states, so not having VoLTE or WiFi is going to be more and more of an issue.

Perhaps this phone would work using an upcoming GSI release?