We knew some of the changes planned for the upcoming 1.0.5 patch for Diablo 3, including modifications to crowd control and a new Infernal Machine event, but Blizzard has now unveiled the full list of proposed changes now on the public test realm.
The post on the official forums offers a rather long laundry list of additions, tweaks and fixes, including changes to each class and the three followers. A number of changes also have been made for Inferno mode, including tweaks to Resplendent Chests, and the addition of Experience Shrines for special bonuses.
Now that the patch is up on the PTR, it is probably on a few short weeks before it goes live in the game. If you aren't sure about some of the changes to your class, you may want to test them out before they go live.