[ANN] Apache Tomcat 11.0.0-M18 (alpha) available

[Mark Thomas <ma...@apache.org>]

The Apache Tomcat team announces the immediate availability of Apache
Tomcat 11.0.0-M18 (alpha).

Apache Tomcat 11 is an open source software implementation of the
Jakarta Servlet, Jakarta Server Pages, Jakarta Expression Language,
Jakarta WebSocket, Jakarta Authentication and Jakarta Annotations
specifications.

Users of Tomcat 10 onwards should be aware that, as a result of the move
from Java EE to Jakarta EE as part of the transfer of Java EE to the
Eclipse Foundation, the primary package for all implemented APIs has
changed from javax.* to jakarta.*. This will almost certainly require
code changes to enable applications to migrate from Tomcat 9 and earlier
to Tomcat 10 and later. A migration tool is available to aid this process.

Apache Tomcat 11.0.0-M18 is a milestone release of the 11.0.x branch and 
has been made to provide users with early access to the new features in 
Apache Tomcat 11.0.x so that they may provide feedback. The notable 
changes compared to 11.0.0-M17 include:

- Reduce minimum Java version to Java 17

- When restoring a saved POST request after a successful FORM
   authentication, ensure that neither the URI, the query string no
   the protocol are corrupted when restoring the request body.

- Align error handling for Writer and OutputStream. Ensure use of either
   once the response has been recycled triggers a NullPointerException
   provided that discardFacades is configured with the default value of
   true.

Please refer to the change log for the complete list of changes:
http://tomcat.apache.org/tomcat-11.0-doc/changelog.html

Downloads:
http://tomcat.apache.org/download-11.cgi

Migration guides from Apache Tomcat 8.5.x, 9.0.x and 10.1.x:
http://tomcat.apache.org/migration.html

Enjoy!

- The Apache Tomcat team

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