It’s still unclear if the new Tamron will live up to their claims about image quality fully, but at least the AF performance seems to be spot on. David Oastler does a good job of showing the AF and AF eye tracking performance. He claims that it is as good as any Sony lens currently produced.
Tamron 28-75mm f/2.8 Di III RXD FE: B&H Photo / Amazon / Adorama