Here's some info about the new expansion that's based on concrete facts, not rumours but stuff taken directly from strings file. Note: nothing in here is against any NDA, as the new expansion doesn't even exist yet...
* New currencies - gold and silver tokens of Brell's favor.
* New equipment file: undequip.eqg
* New ranks of Shaman AAs: Ancestral Aid, Union of Spirits, Rabid Bear (and Feral Bite), Spirit Call and Languid Bite.
* New shaman AAs (went in today):
-- Group Shrink
-- Group Spirit Walk
-- Inconspicuous Totem ("You become an inconspicuous totem"/ "soandso is a totem." / "Your illusion fades")
-- Extended Pestilence ("You feel empowered")
The latter is a focus effect of some sort which currently has Limit: Instant Spells Only on it. Quite odd as it uses SPA 287, which extends spells by a set number of ticks!
The totem one is... well, it's damned hard without any parsers but it uses the following effects:
Slot1: Fading Memories
Slot2: Mesmerize
Slot3: Illusion
Slot4: Player Size Modification
If I didn't know better, I'd say it's , plus an illusion and shrink. Actually, I don't know any better!
There are lots of new focus effects: 5-60% up to 20%-60% for groupers, 5-90% to 20-90% for raiders. Note that these are L85 effects. There are copies of certain L85 spells, but absolutley nothing yet pointing to a level cap raise spellwise.
Note: This info comes from spells_us.txt, dbstr_us.txt and certain other files.