First week of December, it’s been in a long GA cycle because there are some complex upgrade and install scenarios that can back users into situations where they get confused or feel like they have to reinstall and we are trying to test *Every single* one of those scenarios to make sure this is smooth.
The upside of the extended QA, is that in parallel the dev team just keeps sneaking enhancements and what not in with each QA build we run through to refine the install experience.