master
8347121: Add missing @serial tags to module java.base
8372696: Allow boot classes to explicitly opt-in for final field trusting
8325949: Create an internal utility method for creating VarHandle instances
8355369: Remove setAccessible usage for setting final fields in java.util.concurrent
8234131: Miscellaneous changes imported from jsr166 CVS 2021-01 8257671: ThreadPoolExecutor.Discard*Policy: rejected tasks are not cancelled
8319447: Improve performance of delayed task handling