HHH-9466 - Drop metamodel package from source
HHH-9476 - bytecode-enhanced lazy to-one does not force selection of foreign-key column(s) when association is fetched
HHH-9487 - Improve AvailableSettings javadoc for session_factory_name / session_factory_name_is_jndi
HHH-9488 - Move scanning from HEM to core
HHH-9479 Avoiding array list growth in ActionQueue constructor
HHH-9498 Using C3P0 connection pool but not setting hibernate.connection.isolation results in a NumberFormatException
HHH-9508 Avoid source syntax which doesn't work in Eclipse
HHH-9508 Improve trace logging in ActionQueue
HHH-9330 : orphanRemoval=true does not work in bidirectional relationships (without cascading)

(cherry picked from commit ef3550eed5bac8bf4f6298493a9d771851843367)
HHH-9330 : Test cases for orphanRemoval=true does not work in bidirectional relationships (without cascading)

(cherry picked from commit 1ff9edfb81057535f436a32b3631a3bc0665bbe3)
HHH-9091 : Cascaded collection delete fails due to wrong execution sequence (test case)

(cherry picked from commit 3b57f1612d40ae74eb0001aa67e86182e3dfedcd)
HHH-8401 : Support fractional seconds on MySQL 5.7

(cherry picked from commit fe94cda1d1a2ede18b5a577e3ac80db85a806ef3)
HHH-6670: H2Dialect should use "if exists" when dropping sequences
HHH-9471 corrected OSGi test client bundle manifest, improved arquillian/felix logging setup
HHH-8401 : Unit test fixes

(cherry picked from commit 45511f10ae58e9460fd09e6da5c33b1332494cbf)
HHH-9500: H2Dialect shoud not drop constraints

The constraints are automatically dropped when the table is also dropped.
Trying to drop a constraint on a table that doesn't exist present unnecessary error messages.
HHH-9545: H2Dialect should use 'if exists' when dropping constraints