Apache Groovy 2.5.6 发布了，Groovy 是一种功能强大的可选类型和动态的语言，具有静态类型和静态编译功能，适用于 Java 平台，旨在通过简洁、熟悉且易于学习的语法提高开发人员的工作效率。
Sub-task
[GROOVY-2773] - Strange behaviour when passing chained methods (methodA().methodB().etc()) as parameters
[GROOVY-3446] - Method call resolves to statically imported method instead of equally named local method
[GROOVY-4287] - CLONE - import of static nested classes in external groovy files is broken
[GROOVY-5852] - Static import on demand resolves capitalised reference
Bug
[GROOVY-7160] - NoSuchMethodError for varargs when type parameter extends interface
[GROOVY-7687] - Bug with @CompileStatic and nested closures
[GROOVY-7812] - Static inner classes cannot be accessed from other files when running by 'groovy' command
[GROOVY-7996] - Using with method with a closure that references a protected property produces ClassCastException
[GROOVY-8073] - Map delegate within @CompileStatic
[GROOVY-8238] - multiple-catch statement behaves strangely
[GROOVY-8272] - Extending trait can't execute static method
[GROOVY-8873] - Fails at runtime with @CompileStatic and two nested with
[GROOVY-8951] - Traits defining getter conflicts with generated getter (improvements for pre-compiled case)
[GROOVY-8954] - VerifyError due to incorrect bytecode produced when a trait super property call also comes from an interface
[GROOVY-8959] - NPE in StaticVerifier
[GROOVY-8964] - MissingMethodException when trying to resolve overload with variable arguments
[GROOVY-8967] - @Immutable not handling property default values from map constructor
[GROOVY-8969] - Parameter name data is erased when applying traits regardless of --parameters setting
[GROOVY-8970] - Fix typo in MANIFEST.MF: Main-class
Improvement
[GROOVY-8535] - FieldNode constructor appears to call setType incorrectly
[GROOVY-8719] - Add DelegatesTo annotation to CompilerCustomizationBuilder.withConfig
[GROOVY-8971] - The VMPlugin configureClassNode method should retain parameter name information when available