Fix "+connect " command line arg not working (used by steam to cold start the game into a server from the command line)
Security fixes to client authentication procedure when joining a server
Fixed player name/score stats (steam server info) not getting updated initially for a newly connected player
Preserve in-game player stats (kills, deaths, etc) for players that disconnect from and subsequently reconnect to a server within the inactivity threshold established by the game mode (5 minutes by default)
Fix issue with character movement replication breaking the intended send rates for client moves when game time was dilated
Miscellaneous
Update Steamworks SDK to version 1.57
SDK
Fix "X imported Y, but it was never saved as an export." log warning spam (that was benign) when packaging or otherwise cooking content for a mod
Change Impact FX "DecalMaterial" property type from a material to a material interface to allow for decals to utilize material instances for impact fx