Hooray! It's done! We have all been waiting for this official release for a long time! By the way, the SA-MP developers decided to release the client on the first day of winter.
And so we look at the list of changes/differences from SA-MP 0.2X:
Support for Shoutcast/Icecast audio streams.
Major performance improvements and smoother gameplay.
Synchronization improvements, including the mechanism of passengers and motorcycles.
New designs including replacement walkway, hot air balloon, firefighter hats.
You can move on objects attached to moving objects and objects attached to gears.
Servers can remove static buildings from the map.
Moving objects can now rotate smoothly.
Lots of new scripting and callback features for SA-MP servers.