64 - bit Blockland...
Would it be able to have a higher vehicle limit?
And add-on limit?
The vehicle limit is due to CPU limitations. The physics engine in TGE is really bad and inefficient, and many vehicles could quickly cause intense lag. Even though more memory may allow for more pattern caching, it'd still be inefficient.
The add-on (datablock) limit is due to networking and memory limitations. Every single datablock has to be transmitted to each client, and with high amounts (current limit is 4096), that could fill up a lot of memory and be very slow. Even though the limit could probably be raised if we had more memory available, it would still theoretically make loading much longer.