What did we gain from running these two separate environments over the holidays, over the second half of December and all through January until 4.0.1?

Well, we've been able to actually do a lot of live comparisons of the two workloads, which was very interesting. In fact, obviously the 4.0 preview workload was bigger than the 3.24 one, but we were kind of able to compare both. We did gain the ability to fix early some of the most egregious issues that would have been a real complete disaster otherwise that showed up with the concurrency. I'll talk a bit more about those. Actually, we're going to dive into that quite a bit. And so what we've gained is the ability to provide a test environment that was bigger while allowing players to keep an escape hatch and then compare both builds.