R8 haven't officially announced a release date yet, but it has appeared as 29th OCT release on Steam a few hours ago.
I told you you wouldn't have much longer to wait....9 days to go, finally!
https://steamdb.info/app/389670/history/
https://store.steampowered.com/app/389670/Pacer/
The guys at the PACER discussion forum on Steam were all wondering why release on a Thursday.....PStore update day of course :D