Introducing ProGuard 7.1 Beta!

We’re happy to announce the release of ProGuard 7.1 beta! This beta version contains all the latest features and bug fixes due to be released in 7.1. We’d love your feedback before the final 7.1 release, so please begin testing!

You can download ProGuard from GitHub or check out the manual to integrate it into your build.

The biggest improvement introduced in 7.1 beta is support for Java 14, 15, and 16 including support for records and sealed classes. There are also various bug fixes for optimizations in general and improvements for GSON optimization.

ProGuard is built on ProGuardCORE - a free library to read, analyze, modify, and write Java class files. ProGuardCORE 7.1 beta includes various bug fixes and introduces support for partial evaluation with particular reference values. Try out ProGuardCORE in your own projects and let us know what you’ve built with it! A good place to start is the manual.

You can check out the full list of release notes for ProGuard and ProGuardCORE here and here.

If you have any feedback please let us know by commenting here. If you have any issues, please submit them to our Github repository with a full description and reproducible sample, if possible.

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