Checkstyle 7.2 - http://checkstyle.sourceforge.net/releasenotes.html#Release_7.2 New: DesignForExtension: consider overridable methods and javadoc ImportControl: allow regex in subpackage elements. Allow WhitespaceAround for ARRAY_INIT token Bug fixes: Inconsistency in AST tructure for block-comments Checker Cache invalidated falsely on load in second run due to external resources Wrong warning from AvoidEscapedUnicodeCharacters Add METHOD_REF to the list of valid tokens for OperatorCheck DetailAST should invalidate childCount cache DetailAST should invalidate its methods cache (aka lazy-load) Notes: Rename PkgControl to ImportControl split Guard class into two openjdk8/9 test code should be parseable by checkstyle use shippable CI in testing