Hi again
So continuing down the road that is circular references, I've now stumbled upon what I suspect is a awfully specific bug.
I've created this simple example to illustrate: (I'm here using your any-addon, array-addon and grid-addon)

// Dummy class.
class B {}

class A
{
	any a;
	grid<B> t(10, 10); // Using a dummy class here, because apparently using primitives doesn't crash the application.
	A()
	{
		a.store(@this);
	}
}

// Global array of A-handles
array<A@> arr;

void main()
{
	arr.insertLast(@A());
}

(This time I haven't modified the add-on files, I promise !)

This code will cause a crash when I try to release the script engine.
If you're curious what the specific crash I get is; it's at line 708 in CScriptGrid::EnumReferences (because buffer = 0).

Adding a if(buffer == 0) return; at the begining fixes it, but that seems more like a hack to me

Thanks in advance!