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Yeah, and mono's AOT too. I wonder if this is really just ngen integration into VS and thus not really a big deal.

See https://news.ycombinator.com/item?id=7520687

So I guess this is ngen in the cloud to skip doing it on the PC.

If I remember ngen is very architecture/platform specific - that is why it has to be done on the target machine. This sounds like it is done ahead of time with support for a variety of architectures.