Yet I remember when GossiTheDog released his disassembly, calling it the source code.
Why port UltraHLE when the source code is out now? There's other, better Nintendo 64 emulators. But people are going to do it for the "prestige" of the UltraHLE name.
BTW - it was originally "leaked" here, although the site's down now: http://www.geocities.com/freeflow122000/