Most mirrors (at least within the US) are now up-to-date. I finished installing pacman 6.0.2-7 a few minutes ago.

Which mirror do you use?

I got some issues with all my mirrors: the size of the last pacman package is very (too) small (60 vs 944412 for previous version). e.g. https://archlinux.uk.mirror.allworldit.com/archlinux/core/os...

Most of the US ones now are synced. I haven't tried out other countries. Initially, there were ~130 that I tried and got a 404 on all of them for the latest pacman. When I tried again a about half an hour ago, only ~50 of the US mirrors returned a 404

I would try and generate a new mirrorlist for your locale: https://archlinux.org/mirrorlist/

I'm a bit confused by how pacman works.

I picked a mirror that definitely has the 6.0.2-7 version on it[0], yet Pacman can't find it.

Does the server's core.db have to update before the new version is available? Because that one is dated 18-May-2023 05:21.

0. https://archlinux.cu.be/core/os/x86_64/

Probably PEBCAK, but even the best mirrors according to

https://archlinux.org/mirrors/status

still seem unsynced on my arch systems.

The 1 Gbit/s uplink for the Tier 0 mirror has been fully saturated for almost 4-5 hours now and I expect servers to be syncing for rest of the day really.

Weird, I ran reflector which should update my mirrorlist with the 5 most recently synchronized mirrors, but I'm still not getting them.

I would just go to https://archlinux.org/mirrorlist and generate your mirrorlist there. I've heard from others that reflector isn't detected newly synced mirrors at the moment.