3. The Student-Athlete Experience Committee will continue its review of early recruiting issues during the next two years. Phase IB of the review will include the topics of recruiting communications and offers of aid. Legislative concepts from Phase IB are expected to be introduced into the 2018-19 legislative cycle. Phase II of the review will include contacts, evaluations, recruiting calendars, tryouts and camps and clinics. Phase II legislative concepts will be introduced into the 2019-20 legislative cycle
So it looks like they are open to changes in dates and how and when offers are made.