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Posted to dev@tomcat.apache.org by Mark Thomas <ma...@apache.org> on 2026/10/12 10:48:18 UTC

[ANN] Apache Tomcat 11.0.27 Available

The Apache Tomcat team announces the immediate availability of Apache 
Tomcat 11.0.27.

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

The notable changes compared to 11.0.26 include:

- Fix possible corruption when using HTTP/2 and async IO on uploads.
   Submitted by Tim Burke.

- Fix possible corruption when using HTTP/2 and async IO on uploads.
   Submitted by Tim Burke.

- Update to Migration tool for Jakarta EE 1.0.13


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 9.0.x and 10.1.x:
http://tomcat.apache.org/migration.html

Enjoy!

- The Apache Tomcat team

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