Andrew levy is quoted at some Aviation industry conference as saying it will be released in the 4th quarter. He also says it is more or less finazlized but they aren't ready to release it yet.

Here's the audio.
https://www.veracast.com/webcasts/citigroup/industrials2017/39106113993.cfm?0.934133341031

My wag says they'll be adding a significant number of A321LRs and possibly NEOs that Alaska doesn't want. The max 10 order will eventually be rolled into the new MOM Boeing plane.