June 10, 2009
- Added server support for the admin command
- Pressing Tab ↹ now shows all players logged in to the server.
- Chat now shows the full log of recent messages.
- Name security.[more information needed]
- Server-side client verification.
- Add logged-in.txt server file.[more information needed]
/ban-ipwork more intuitively.
- Changed the behavior of private server addresses.
- No level generation or loading in MP mode.
- Fixed the server heartbeat check pausing the game.
- Fixed players' spawn location changing to default when they log in.
- Fixed the game not starting on Mac OS computers.
- Clients can no longer spam ping requests.
- Various server fill exploit preventions; players can no longer create lava floods.
- "Client 0.0.17a, server 1.3" – Notch, June 10, 2009, Tumblr