Java Edition Classic server 1.3

1.3 is a server version of Java Edition Classic released with client version 0.0.17a on June 10, 2009.
== Additions ==
* Added server support for the admin command .
* Pressing now shows all players logged in to the server.
* Chat now shows the full log of recent messages.
* Name security.
* Server-side client verification.
* Add logged-in.txt server file.
== Changes ==
* Made work more intuitively.
* Changed the behavior of private server addresses.
* No level generation or loading in MP mode.
== Fixes ==
* 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.
== References ==
es:Java Edition Classic server 1.3
pt:Edição Java Classic server 1.3
ru:Classic сервер 1.3
zh:Java版Classic服务器1.3