Windows Defender Virus Scan: SaveSync now automatically runs a Windows Defender check before uploading saves, and after downloading save files, for an extra layer of safety.
Lobby Support for LAN Sync:
If you don’t see a notification that your friend has joined after enabling LAN Sync, you can now right-click their profile in your Steam friends list and select Invite to Game.
Your friend can then join directly through the Steam chat invite.