I think that the kind of QA we're trying to develop for PHP is functional-level, and not source level. It's not going to address the security concerns involved in giving people CVS write access very quickly.
both, combine what harmut and I had to say (thread php 4.1, last mail from harmut will be sufficient) with results of a thread months ago regarding "no-code-freeze-in-PHP-for-more-than-few-days-before-release" with results of *this* thread and results of the thread (a few days ago) regarding "branches" and there we are...
andré