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From Mark Thomas <>
Subject [ANN] Apache Tomcat 9.0.20 available
Date Tue, 14 May 2019 20:11:57 GMT
The Apache Tomcat team announces the immediate availability of Apache
Tomcat 9.0.20.

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 9.0.20 is a bugfix and feature release. The notable
changes compared to 9.0.19 include:

- The useAsyncIO boolean attribute on the Connector element value now
  defaults to true.

- Stack traces written by the OneLineFormatter are fully indented. The
  entire stack trace is now indented by an additional TAB character.

- Various HTTP/2 improvements and stability fixes.

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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