Been using it for almost a year.
I've been using AlmaLinux as a replacement for CentOS for automated software testing for almost a year now, and I've had no problems with it that I can recall. I can recommend it for that purpose without hesitation.
I was motivated to use it by CentOS dropping support of their then latest release. I had to either pick something new or drop Red Hat as a supported distro for my software project. AlmaLinux was a straight drop in replacement for CentOS.
I want to congratulate Lord Raglan and Marshal Saint-Arnaud for their success at Alma, hard fought it no doubt was. With that out of the way Sebastopol should be within their grasp before long. Hurrah!