EDIT: Alpha 0.8 solved this issue.
If you are playing on the PC/PCVR version of the game and not seeing other players, join the discord and let us know! We are aware of the issue affecting PC/PCVR players this 2025 holiday season.
There is an update coming soon to address this, but we my be able to get you connected in the meantime!
https://discord.gg/dustvr/