- Autarchs take Paths. These represent completed paths they have walked and are tied to the various aspects. By taking a path you make the respective aspect warrior a troop choice (the exception are reapers who just become scoring)

- Overall point cost reduction (guardians see it the most, aspect warriors see it the least, but are instead a fair margin better with only a minor cost decrease for two of the schools).

- new special rule that influence how howling banshees interact in combat. It's current iteration really makes them feel like glass cannons that are amazing at what they're designed to do.

-Seer councils have brotherhood of psykers (the farseers still cast their own abilities in addition, but two farseers together cast more than 2 farseers separately)

- in general, aspect warriors are hyper focused and hyper successful if used properly
- No new aspect
- 2 new flyers
- lots of units get access to skyfire
- new tank (on falcon chasis)
- Avatar is buffed a lot
- Two new special characters
- exarchs are all really good in duels in different ways
- farseers are still awesome psykers
- warlocks improve deny the witch.
- falcon/wave serpent point reduction
- way to make some of the craftworld specific lists
- additional rules for allying with dark eldar
- expanded fluff on the war in heaven