If you have not, you may want to do so. Obviously there are a variety of reasons, validations, etc you need to go thru.
If you are applying these or greater patches, peak at your memory footprint before and after and let me know how much the server w3wp drops in memory. Any noted increased performance would be a welcome anecdote as well.
We found an Entity Framework feature that was introduced and we had to work around it
SCR 198962 for those that need that …