Scripts can now call functions from other scripts using MakePublic and CallPublic. This way PAWN scripts can call functions from C++ scripts (or vice-versa, PAWN -> PAWN and C++ -> C++ also possible).

https://wiki.vaultmp.com/index.php/MakePublic
https://wiki.vaultmp.com/index.php/CallPublic

Also timers can have an argument list now:

https://wiki.vaultmp.com/index.php/CreateTimerEx