The government has been accused of trying to avoid bad publicity by delaying the release of documents relating to poor pupil performance and governance at 15 academies. (schoolsweek.co.uk)
If you do want to wait until you have a polished version, this may involve delaying the release date of the regular ebook. (lindsayburoker.com)
That being said, there were issues such as delaying the release in order to add more to the original vision. (kickstarter.com)