Since my post from last fall that set out the compliance schedule for the new CIP versions has been very popular, I decided just to revise it to reflect the change in standard names (there is no change in compliance dates), rather than write a new post; please go there for the record of the definitive compliance schedule for CIP v5.5.
When I originally wrote that post, I had to point out that, since the v7 implementation plan hadn't been finally approved by NERC, there was still the possibility of change to the plan. However, with the v6 filing to FERC yesterday (which I won't link here, since the filing is 3300 pages, and doesn't contain anything new, other than the fact that v7 is gone), there is no longer any possibility of change to the v5.5 standards or implementation plan (except perhaps an errata filing), unless FERC orders them in the future. So, for the first time since 2007, there are no longer any new CIP standards in development. Whether that's good or bad is left as an exercise to the reader.