The Apache Tomcat team announces the immediate availability of Apache
Tomcat 9.0.63.

Apache Tomcat 9 is an open source software implementation of the Java
Servlet, JavaServer Pages, Java Unified Expression Language, Java
WebSocket and JASPIC technologies.

Apache Tomcat 9.0.63 is a bugfix and feature release. The notable
changes compared to 9.0.62 include:

- Provide a property source that sources values from Kubernetes service
   bindings. Provided by Sumit Kulhadia and Gareth Evans.

- The root cause of the Linux kernel duplicate accept bug has been
   identified along with the version of the kernel that includes the fix.
   The error message displayed when this bug occurs has been updated to
   reflect this new information and to advise users to update to a
   version of the OS that uses kernel 5.10 or later. Thanks to
   Christopher Gual for the research into this issue.

- Update the packaged version of the Tomcat Native Library to 1.2.33 to
   pick up Windows binaries built with OpenSSL 1.1.1o.

- Add support for encrypted PKCS#1 formatted private keys when configuring
   the internal, in memory key store.

Along with lots of other bug fixes and improvements.

Please refer to the change log for the complete list of changes:


Migration guides from Apache Tomcat 7.x and 8.x:


- The Apache Tomcat team

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