New candidate JEP: 403: Strongly Encapsulate JDK Internals

Posted on March 18, 2021

Strongly encapsulate all internal elements of the JDK, except for critical internal APIs such as `sun.misc.Unsafe`. It will no longer be possible to relax the strong encapsulation of internal elements via a single command-line option, as was possible in JDK 9 through JDK 16…

More at https://mail.openjdk.java.net/pipermail/jdk-dev/2021-March/005199.html