Improvements will include sacrifice rewards given to the group/raid making the sacrifice, relocated altars to reduce the ease of a single dominating force, increased duration on the Favor of Bori buff, an increase on the time period during which shrine destruction gives a reward, and a decreased respawn time on the Idol of Bori recipe.
Morrison goes on to discuss a new butcher bag/body part mechanic, as well as some of the reasoning behind the original design decisions. "These changes should be coming to the test server this week, and we hope they are ready for deployment on the live servers with the 2.0.5 update. We will of course be watching these changes carefully, and will continue to make further adjustments if we see a need," he said.
Check out the full post on the official forums.