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yGuard v1.5 Release Notes

Release Date: 2005-05-19 // almost 19 years ago

  • ➕ Added

    • ➕ Added JDK 1.5 (a.k.a Java 5.0 code-named Tiger) compatibility. yGuard can now deal correctly with the new JDK and Java features: generics, var-args, enumerations, annotations, new .class bytecode construct, signatures, local variable type table, enclosing method information.
    • Implemented the ability to obfuscate/scramble/shrink line number information. This makes it possible to more easily debug stacktraces without exposing line number information in the obfuscated version of the application.
    • Implemented the ability to obfuscate the source file information. This is necessary in order to view line number information in stack traces. It is now possible to reassign the source file attribute inside class files so that the original source file name is not exposed in the obfuscated application.
    • ➕ Added the ability to determine on a per-class basis what attributes to expose or obfuscate. This includes line number information (with optional scrambling/compression or removal), source file attributes, deprecation attributes, etc. This makes it easy to obfuscate parts of your application while keeping the public API untouched and debug information for third party jars intact.
    • 👌 Improved the stacktrace deobfuscation tool. It can now unscramble line number information from stacktraces, features a more polished view of the mapping rules and deobfuscates stacktraces more reliably if the stacktraces are ambiguous.