Enhancements:

• Allow registering a type handler for a common interface of enums. #947
• Share Jdbc3KeyGenerator and NoKeyGenerator instances #882
• Building UPDATE JOIN statement by SQL Builder #903

Bug fixes:

• Failed to find a statement mapped to a super interface #481
• Default methods support on mappers, does not work for non-public mappers. #905
• foreignColumns with multiple columns validation error #526
• Fix wrong registration logic for LanguageDriver #914
• A boolean property should be able to have two getters: isX() and getX() #906
• Possible unexpected auto-mapping #895
• Excessive memory allocation for primitive arrays in nested resultmaps #927

There should be no backward incompatible change [1]. Follow this link to see the full list of changes.

[1] It is possible that an incorrect result mapping previously worked because of the bug fixed in #895 stops working. Please see #1100 for the details.