With the new working version it shows legacy

Thanks, problem solved updating to the new version

Yeah.... ehr... the fact that the log is not showing the issue doesn't mean that the issue isn't there...
That is what your app is logging...

Yeah same to me.
Never been requested to allow the mic and also in the settings the mic is not present

Frankly I don't think it's related to iOS 12 because I was getting similar issue also before the update.
Find attached a couple of logs (I've attached the first and last log file)

Thanks!

Edit...

Hi, I installed TS3 (ver. 3.2.3.1410 [950402c7]) on my iPhone 6 Plus with iOS 12.0
I got only one default identity profile.

My problem is that when connected I cannot hear / speak because...