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Welcome to Apache Harmony - Open Source Java SE

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Welcome to Apache Harmony - Open Source Java SE.

Apache Harmony is the Java SE project of the Apache Software Foundation. Please help us make this a world class, certified implementation of the Java Platform Standard Edition!

The aim of the project is to produce a large and healthy community of those interested in runtime platforms tasked with creation of:

• A compatible, independent implementation of the Java SE 5 JDK under the Apache License v2
• A community-developed modular runtime (VM and class library) architecture.

We aim to support wide range of different platforms. The main criteria for whether a particular platform is supported or not is the involvement of people in running tests on regular basis, reporting build status, finding and fixing bugs for that platform, and so on. We have a list of platforms we are actively maintaining at the moment.

Please see the following "Getting Started" guides:

• Getting Started for Harmony Users: for those that wish to use pre-built snapshots of Apache Harmony
• Getting Started for Harmony Contributors: for those that wish to checkout and build the source of Apache Harmony.

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Harmony News

Apache Harmony 5.0M13 plus new Apache Harmony 6.0M1 available!

The Apache Harmony development team are delighted to announce the availability of the next regular 5.0 stream milestone, labelled 5.0M13, together with the first ever milestone release of the 6.0 code stream -- Apache Harmony 6.0M1.

The new 5.0M13 milestone contains a number of important fixes and enhancements to the implementation and test suites, resulting in the most stable build yet.

Milestone 6.0M1 is the first stable build available from the 6.0 APIs code stream, and while there are still known missing APIs, this first milestone is already very capable. Feedback is encouraged for both releases.

Source code, binary builds and Debian packages are available from our download site.

Please send any comments to the Harmony developers' mailing list. (2010-03-10)

Apache Harmony M12a maintenance release

The Apache Harmony development team have identified an issue with source file comments in one particular file included in the 5.0M12 milestone release. To avoid any confusion or ambiguity arising about the use of that file, the development team have released 5.0M12a as a maintenance release.

Details of the issue are available on the Harmony developers' mailing list.

Milestone 5.0M12a is functionally equivalent to 5.0M12, and the source code, binary builds and Debian packages are available from our download site.

Please send any feedback to the Harmony developers' mailing list. (2010-01-27)

New milestone build published

The Apache Harmony developers are proud to announce the immediate availability of our latest stable build, Apache Harmony 5.0 Milestone 12.

This new milestone includes a number of bug fixes and enhancements, including performance improvements in archive file handling and the logging framework. A full list of issues resolved is available via our tracking system.

Apache Harmony 5.0 M12 source code, binary builds and Debian packages are available from our download site.

Please send any feedback on these builds to the Harmony developers' mailing list. (2009-12-05)

Apache Harmony 5.0 M11 now available

The Apache Harmony development team are pleased to announce that Apache Harmony 5.0M11 is available for immediate download from the project website.

Apache Harmony 5.0M11 is the latest stable build containing over 60 bug fixes and enhancements across a number of modules.

As usual source code, binary builds and Debian packages are available from our download site. Please send any feedback on these builds to the Harmony mailing list. (2009-09-01)

Apache Harmony 5.0 M10 declared!

The Apache Harmony development team are pleased to announce that Apache Harmony 5.0M10 is available for immediate download from the project website.

Apache Harmony 5.0M10 is the latest stable build containing over 50 bug fixes plus notable improvements to the JavaDoc comments in a number of modules.

As usual, source code and binary builds and Debian packages are available from our download site. Please send any feedback on these builds to the Harmony mailing list. (2009-06-13)

Archived articles are here.

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Project Status

How are we doing? We're making steady progress:

1. Continuous Integration using Hudson builds
2. Regular milestone builds.
3. JRE can run popular programs like Apache Tomcat, Eclipse, Maven, Derby, Ant
4. More than 99% of Java 5 API complete. (not compatible, just completed)
5. More than 1.25 Million Lines of Code

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