These are the release notes and advice for upgrading Commons-IO from version 2.0 to version 2.0.1 Commons IO is a package of Java utility classes for java.io's hierarchy. Classes in this package are considered to be so standard and of such high reuse as to justify existence in java.io. Commons IO contains utility classes, stream implementations, file filters, file comparators and endian transformation classes. Compatibility with 2.0 and 1.4 ------------------------------ Binary compatible - Yes Source compatible - Yes Semantic compatible - Yes Check the bug fixes section for semantic bug fixes Commons IO 2.0.1 requires a minimum of JDK 1.5 (Commons IO 1.4 had a minimum of JDK 1.3) Enhancements from 2.0 --------------------- * [IO-256] - Provide thread factory for FileAlternationMonitor Bug fixes from 2.0 ------------------ * [IO-257] - BOMInputStream.read(byte[]) can return 0 which it should not * [IO-258] - XmlStreamReader consumes the stream during encoding detection