All4Shooters has an article on a new Glock(actually 3 of them). While the number is 45, it is chambered or 9mm. It also lacks cutout in front of magazine well, but has front serrations on slide.
https://www.all4shooters.com/en/Shooting/pistols/GLOCK-45-Crossover-and-G17-G19-Gen5-MOS-features/
From: All4Shooters.com