Counterquestion: Why do you try to use the editor for things the editor was not meant to do?
It is designed to create wc3 custom melee maps. Blizzard does not support the creation of complex maps with huge custom engines, the editor was not created for such a purpose. For what it is ought to do the editor is an amazingly powerful tool with many possibilities beyond its original purpose, you should rather be thankful that blizzard implemented such a wonderful toy and added it to the game for free. Not many games come with such a nice addition by themselfs.
About the memory leaks, thats the standard.
Such things as garbage collection are a luxury you wont enjoy too often. Thats a task which requires performance and memory as well and i can very well understand if the wc3 developers were trying to squeeze out as much performance as possible and managed the memory al- and delocation themselfs to improve the outcome of the product.
And its true, there are quite some bugs in the editor and even in the game itself, but then again, the editor is freeware, what do you expect?
I'm on a page about incorrect corrections, and spent the better part of like two hours trying to get someone to understand that -5^2 = -25, not 25, and then that post had comments get reposted because that group is self sustaining, and that person was in turn trying to explain what I just explained to them. And I'm taking that as a victory
I will be AFK for a couple of days you guys hold down the fort while I am gone. I will be checking in on my phone but that will severly limit me. Be back saturday!