~~~~HUGE PRIEST BUFF~~~~ details inside....

Misleading title I know but here is the timeline for priests since there are obviously so many naive people out there.

World of Warcraft Client Patch 2.0.8 (02/15/2007)
-Nothing

World of Warcraft Client Patch 2.0.7 (02/13/2007)
-Nothing

World of Warcraft Client Patch 2.0.6 (01/23/2007)
-The bonus coefficient for "Shadow Word: Pain" has been reduced by about 9%. This should result in about 5% less damage done by "Shadow Word: Pain" for the typical priest.

World of Warcraft Client Patch 2.0.5 (01/14/2007)
-Nothing

World of Warcraft Client Patch 2.0.4 (01/12/2007)
-Nothing

World of Warcraft Client Patch 2.0.3 (01/09/2007)
-"Mass Dispel" will no longer cause stealthed Rogues and prowling Druids to lose stealth.
-"Surge of Light" (Holy Talent) can no longer be triggered by using items.

World of Warcraft Client Patch "Before the Storm" (12/5/2006)
-Nothing (Barring BC changes)

World of Warcraft Client Patch 1.12.1 (9/26/2006)
-Nothing

World of Warcraft Client Patch 1.11.2 (7/11/2006)
-Fixed an error where Priests in Spirit of Redemption form did not benefit from plus to healing items.
-Touch of Weakness will now work again when you have Power Word:Shield active on yourself.

World of Warcraft Client Patch 1.11.1 (6/28/2006)
-Nothing

1.11 and below were minor bugfixes and the 1.10 priest review.

We haven't been looked at or had any kind of positive changes since June.

Credit given to Roses in this link
http://forums.worldofwarcraft.com/thread.html?topicId=79159761&sid=1