master
8338411: Implement JEP 486: Permanently Disable the Security Manager
8271820: Implementation of JEP 416: Reimplement Core Reflection with Method Handle 8013527: calling MethodHandles.lookup on itself leads to errors
8389219: Implement JEP 401: Value Objects (Preview) 8389220: Implement JEP 539: Strict Field Initialization in the JVM (Preview)