Does WinRT have Garbage Collection?

Does Win开发者_运维知识库RT have Garbage Collection?

Or does it do reference counting as does COM?

I found this article, which cites Microsoft's Martyn Lovell:

"WinRT objects are reference counted like COM for memory management, with weak references to avoid circularity."

Apparently this was mentioned at his talk on WinRT internals at the BUILD convention.