From the start of Early Access it was stated that only the first act would be available before the full release.
Your arbitrary 10 week timeframe is would be nice in ideal circumstances, but the real world is not conducivce to ideal circumstances, and that is certainly not a standard in the game industry.
Is the current released build a "maelstrom of bug's and problems"? There are known issues, some fixed in the development version, but it is more polished than some game releases as it is.