Multiple servers can now be started on the same machine in standalone TCP/IP mode. This means that you can run several levels or even several games at the same time on a single computer.
 

Sleep

Suspends the execution of any function like waitt(x) but the time is given in seconds.
 

Unlimited string length

Strings can now be defined without a default length and content. Now you don't have to think / guess how big are your strings - simply define them and use them!