This section describes the APIs, features, and options that were removed in Java SE 11 and JDK 11. The APIs described here are those that are provided with the Oracle JDK. It includes a complete implementation of the Java SE 11 Platform and additional Java APIs to support developing, debugging, and monitoring Java applications. Another source of information about important enhancements and new features in Java SE 11 and JDK 11 is the [Java SE 11 (18.9) ( JSR 384)](http://cr.openjdk.java.net/~iris/se/11/latestSpec/) Platform Specification, which documents changes to the specification made between Java SE 10 and Java SE 11. This document includes the identification of removed APIs and features not described here. The descriptions below might also identify potential compatibility issues that you could encounter when migrating to JDK 11. See [CSRs Approved for JDK 11](https://bugs.openjdk.java.net/issues/?jql=project%20%3D%20JDK%20AND%20issuetype%20%3D%20CSR%20AND%20status%20%3D%20Closed%20AND%20resolution%20%3D%20Approved%20AND%20fixVersion%20%3D%20%2211%22) for the list of CSRs closed in JDK 11.