Sometimes when entering a world with players already in it, some fraction of the players will be jammed into the spawn location. They will still be talking/holding conversation as if they were in whatever spot they belonged in-- as in, this appears to be clientside.

Log here:

https://cdn.discordapp.com/attachments/336766708586905600/346145390875115520/vrchatoutput_log.txt

I joined the world in question at 12:13AM, 8/13/2017 in the log.