Sony has recently confirmed that it will finally update its a7s series of cameras this year. The latest leaks surrounding this impending E-mount unit will have a rear screen like that of the ZV-1. It is also said to have some advantages over Canon's high-end EOS R5, its electronic view-finder (EVF) included.
https://www.notebookcheck.net/Sony-a7sIII-an-upcoming-full-frame-camera-now-touted-to-have-a-flip-out-rear-screen-and-a-world-beating-EVF.483179.0.html