ArenaNet released a major skill balance update for Guild Wars. Check out the affected areas and head to the developer update page to read all the details.

"This is the major playbalance update we announced a few months back. In addition to changes to Shadow Form, this update includes several other sets of changes to address a range of balance issues. The end result is one of the largest skill updates we've ever released. Thanks to the combined efforts of the Test Krewe and the team, we were able to test and implement changes targeting the following areas:

* Shadow Form and Invulnerability
* Hammer Mastery in PvE
* Ritualist in Endgame PvE
* Tactics Rework
* Blood Magic Rework
* Other Balance Issues
* Changes Since the Preview"