There's no need for new VUs before the CryEngine.
I'd rather hope that those 20% of the folks who are working on the old code branch would sit together and merge all the fixes to have some of the reoccurring bugs removed.
I'd also hope that those 80% of the folks end up having one code branch and this code branch will be used and worked on in the future. And those who check in modified old code which reintroduces old bugs should get 100 whips on their hands.
Since it's all a new code base it's also advisable to rethink all internal QA-structures and -procedures so that certain unwanted things (look how general I write this) don't happen again.
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