Announcing ProGuard 7.2.2 and ProGuardCORE 9.0.1!

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We’re excited to share the release of ProGuard 7.2.2 and ProGuardCORE 9.0.1. As always, you can download ProGuard from GitHub or check out the manual to integrate it into your build .

Here are a few relevant updates for ProGuard:

Improved

  • Remove Kotlin Intrinsics strings by default, without requiring the -keepkotlinmetadata option. (T16518)

Bug fixes

  • Fix “Can’t save configuration file” error in ProGuardGUI. (PGD-220)

  • Fix missing warnings in ProGuardGUI. (PGD-239)

  • Fix rule configurations that extend annotation classes. (PGD-229)

  • Fix “No matching variant” Gradle plugin error when using Gradle 7.4 and Java 8. (PGD-2311)

  • Fix potential Kotlin metadata initialization issue when using the -Xno-optimized-callable-references compiler option. (T16486)

  • Fix potential “bad class file” caused by sorting attributes in class files (PGD-192)

And some relevant updates for ProGuardCORE:

Improved

  • ExecutingInvocationUnit now loads values from static final fields.

  • Initialize Kotlin lambda method references when the JVM method name is <anonymous>. (T16483)

  • Add the possibility of limiting the number of CodeAttributes contributing into CFA.

  • Add the possibility of limiting the number of CodeAttributes considered by the CallResolver.

Bug fixes

  • Fix wrong handling of array types in ExecutingIvocationUnit and ParticularReferenceValue.

  • ParticularReferenceValue sanity checks now take inheritance into consideration, improving call analysis. (T15197)

  • Prevent missing semicolon leading to an infinite loop in ClassUtil#internalMethodParameterCount.

  • Make category 2 CPA taint sources affect only the most significant byte abstract state.

  • Fix inconsistent usage of type names in the context of the PartialEvaluator that could result in trying to create an internal type string from a string that was already an internal type. (T15513)

  • Fix initialization of Kotlin callable references when using -Xno-optimized-callable-references compiler option. (T16486)

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

As always, please let us know what you think.

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