I'll chime in that I've been using 64-bit raspberry pi OS for at least 8 months now and I haven't had any issues with it, other than a small snafu when I first

I'll chime in that I've been using 64-bit raspberry pi OS for at least 8 months now and I haven't had any issues with it, other than a small snafu when I first tried to get Wireguard up and running but some of the base packages didn't yet support 64-bit OSes (I think?). That issue has since been fixed, I can happily report.