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From Mark Thomas <>
Subject [ANN] Apache Tomcat 9.0.39 available
Date Mon, 12 Oct 2020 09:22:15 GMT
The Apache Tomcat team announces the immediate availability of Apache
Tomcat 9.0.39.

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 9.0.39 is a bugfix and feature release. The notable
changes compared to 9.0.38 include:

- Refactor the handling of closed HTTP/2 streams to reduce the heap
  usage associated with used streams and to retain information for more
  streams in the priority tree.

- Allow using the utility executor for annotation scanning. Patch
  provided by Jatin Kamnani.

- Add a bloom filter to speed up archive lookup and improve deployment
  speed of applications with a large number of JARs. Patch provided by
  Jatin Kamnani.

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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