[Differences from 3.5 SP1] The following improvements were made to the MergeOption enumeration: The AppendOnly merge option no longer modifies the entity on the client as a result of any subsequent response from a data service. The PreserveChanges option is now consistent between dynamic SQL and stored procedure-based updates. [Feature] 
Merges
B a t c h e d B i n a r y C o n t e n t
C h a n g e i n t e r c e p t o r s
E x c e p t i o n s
H e a d e r s
J S O N R e a d e r
M e r g e s
R e q u e s t s
S t r e a m s
U R I s