The Vault Network's parent company, IGN (http://www.ign.com/), has just displayed a Press Release (http://pc.ign.com/articles/862/862255p1.html) discussing Lineage II and the new Hellbound expansion. Here's a snippet:
Great new content is coming your way in Hellbound, a continuation of The Kamael and the final installment of the First Throne saga for Lineage II. This update includes high-end content and features requested by players, such as an enhanced pet system, high end skills/skill enchantments, and legendary transformations
There's much to look forward to even between major updates with these new features rolling in!
Lineage II Gets Hellbound (http://pc.ign.com/articles/862/862255p1.html)
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Additionally, with the opening of the Hellbound PTS, L2 Vault has the Patch Notes (http://l2vault.ign.com/View.php?view=Features.Detail&id=168) on display in addition to it being here on the Official Forums. Enjoy!