Authors: Aaron Luk, Nick Porcino We have reached a massive milestone. The OpenUSD Core Specification 1.0 is officially ratified. For those of you who have been following along, you know this has been a journey involving meticulous drafting, spirited debates over composition fundamentals, and more than a few late-night GitHub commits. But for those just tuning in, you might be asking: What exactly is in the box? And more importantly, what does this mean for me? Here is the rundown of what…