Considering our limited human resources and time constraints, it is hard to give definitive and accurate estimates of the milestones we are going to release.

Current stable release history and maintenance plans

The 1.5 stream of Groovy is the latest stable release. Only bug fix releases are planned for this stream.

Historical releases

• 1.5.0 2007 Dec 07 (Detailed list of enhancements and bug fixes)
• 1.5.1 2007 Dec 21 (Detailed list of enhancements and bug fixes)
• 1.5.2 2008 Jan 29 (Detailed list of enhancements and bug fixes)
• 1.5.3 2008 Jan 31 (Detailed list of enhancements and bug fixes)
• 1.5.4 2008 Feb 01 (Detailed list of enhancements and bug fixes)
• 1.5.5 2008 Apr 14 (Detailed list of enhancements and bug fixes)
• 1.5.6 2008 Apr 25 (Detailed list of enhancements and bug fixes)

Upcoming releases

Here are the various features and fixes we are planning to implement in the upcoming releases of Groovy for the 1.5 stream.

Groovy 1.5.7:

jira.codehaus.org (26 issues)
T	Key	Summary	Status
	GROOVY-2571	Omitted parentheses for method starting with capital letter causes compile time exception	Open
	GROOVY-2736	stub generator fails to generate stub for empty enum	Open
	GROOVY-2801	Override toString in coerced Map fails for interfaces but is ok for concrete classes	Open
	GROOVY-2802	NullPointerException CachedMethod.invoke	Open
	GROOVY-2803	annotations definition in groovy	Open
	GROOVY-2784	XmlNodePrinter namespace declarations are inserted at incorrect scope	Open
	GROOVY-2810	Namespaces lost by XmlNodePrinter in some cases	Open
	GROOVY-2811	GroovyClassLoader.isSourceNewer() fails when url has spaces	Open
	GROOVY-2817	Off by one error on string indexing error reporting	Open
	GROOVY-2788	StubGenerator generates wrong JavaCode for Collections	Open
	GROOVY-2773	Strange behaviour when passing chained methods (methodA().methodB().etc()) as parameters	Open
	GROOVY-2807	GroovyMBean does not support the use of overloaded MBean operations that have the same number of parameters	Open
	GROOVY-2828	Command line option -cp does not work: "Error: no argument for:c"	Open
	GROOVY-2836	Misleading MissingMethodException thrown when this() is called inside a constructor	Open
	GROOVY-2135	failed to reference an instance defined in enum class with the syntax like Planet.MERCURY	Reopened
	GROOVY-2829	Groovy's class verification doesn't allow for covariant return types	Reopened
	GROOVY-2804	I/O example on documentation web site fails	Resolved
	GROOVY-2774	Java final fields may be changed by Groovy	Closed
	GROOVY-2725	Semicolon required for certain generics declarations	Closed
	GROOVY-2776	"println" in new console window prints in the oldest one	Closed
	GROOVY-2743	Fail to compile when there is a method return List<int[]>	Closed
	GROOVY-1257	compiling of classes with missing parents of a parent class	Closed
	GROOVY-2799	add a way to override the commandline conf in GroovyStarter	Closed
	GROOVY-2800	wrong use of generics in stub compiler	Closed
	GROOVY-2794	Groovy 1.5.6 Windows startGroovy.bat fails to pass CLASSPATH to groovy starter	Closed
	GROOVY-2798	startGroovy error in 1.5.6 using Cygwin	Closed

Roadmap for Future releases

The next major release is 1.6.

Historical releases

• 1.6-beta1 2008 May 02 (Detailed list of enhancements and bug fixes)

Upcoming releases

Here are the various features and fixes we are planning to implement for upcoming releases.

Groovy 1.6-rc1:

jira.codehaus.org (2 issues)
T	Key	Summary	Status
	GROOVY-2818	Either support true stateful mixins or remove the current experimental implementation all together	Open
	GROOVY-2707	Refactor to allow easier customization of the http client (to support cookies, etc)	Closed

Groovy 1.6:

jira.codehaus.org (85 issues)
T	Key	Summary	Status
	GROOVY-2728	ExpandoMetaClass should allow adding methods having default parameters	Open
	GROOVY-644	New Groovy JDK methods - to improve consistency	Open
	GROOVY-2177	Groovysh 'history recall' seems to be picking the wrong entry (off by 1)	Open
	GROOVY-1646	Inherited method establishing logic needs to be MetaClass aware	Open
	GROOVY-2113	Introduce functional testing of UI components, esp. SwingBuilder, with jemmy	Open
	GROOVY-2147	Make DOMCategory namespace aware	Open
	GROOVY-2283	Add ability to dynamically modify classes blocked by StackTraceUtils during a sanitize operation.	Open
	GROOVY-250	CST nodes created synthetically should always include some line number info	Open
	GROOVY-482	parser to support javadoc-like comments & convert them to MetadataNodes in the AST	Open
	GROOVY-2311	Normal stack-trace sanitization for Exceptions removes all scriptom entries.	Open
	GROOVY-2035	ReflectionMetaMethod has poor error messages for IllegalArgumentExceptoin etc.	Open
	GROOVY-741	A first go at some TCK Chapter 03 tests	Open
	GROOVY-750	access to line numbers in builders	Open
	GROOVY-882	Add [line,column] to GroovyRuntimeException	Open
	GROOVY-2178	New shell dosn't like multi-line list defs very much	Open
	GROOVY-2183	Allow the 'edit' command to work on windows and also support more UNIX env vars to select the editor	Open
	GROOVY-1809	non-static fields should not be treated as static properties	Open
	GROOVY-2324	grammar forces usage of lowercase names for commands	Open
	GROOVY-2242	Missing information in Javadoc of ExpandoMetaClass.enableGlobally()	Open
	GROOVY-2161	Improve javadocs for MetaMethod, MetaProperty and so on	Open
	GROOVY-2438	Expando Method Varargs Received Double Wrapped by Object Array	Open
	GROOVY-2282	ProxyMetaClass doesn't work as expected with StubFor/Mockfor	Open
	GROOVY-2271	Mocks are not used by the delegate of a closure	Open
	GROOVY-2403	Closure parameter list typing inconsistent with function and method parameter list typing	Open
	GROOVY-2335	StAX builder	Open
	GROOVY-1838	When implementing MOP you cannot intercept core Object methods (equals(), hashCode(), etc.)	Open
	GROOVY-2412	Need to access the metaClass of a subclass before receiving the dynamic methods that are added to the superclass	Open
	GROOVY-2340	Non commutative behavior of == operator with Gstring and Integer	Open
	GROOVY-2342	The compareTo method is not commutative for String and GString when used from Java	Open
	GROOVY-2409	Problems calling private static methods	Open
	GROOVY-1769	parse of assert fails when newline between 'test' and 'message'	Open
	GROOVY-917	Cannot instantiate Java inner class	Open
	GROOVY-819	Less than ideal error message when incorrectly trying to use optional parenthesis	Open
	GROOVY-2414	Extend XmlParser and Node to allow subclassing, permitting additional capabilities to reuse basic functionality	Open
	GROOVY-1588	Better error messages when using Java's array init syntax	Open
	GROOVY-2429	Allow subclasses of XmlParser to customize creation of new Nodes	Open
	GROOVY-2387	spread-dot operator problem in 1.5	Open
	GROOVY-2433	Closure in base class unable to call private methods when invoked from derived class	Open
	GROOVY-2193	Method invocation that returns no value should evaluate to a known constant instead of null	Open
	GROOVY-2310	ExpandoMetaClass does not offer a consistent way to retrieve and invoke overloaded methods	Open
	GROOVY-2361	Property not stored via EMC	Open
	GROOVY-2373	EMC and closures with default parameter	Open
	GROOVY-2701	improve regex in Groovy	Open
	GROOVY-1889	Make all operators interceptable	Open
	GROOVY-1915	Should use Integer.valueOf() instead of new Integer(), where appropriate	Open
	GROOVY-2208	debug info not generated	Open
	GROOVY-2382	64K limit on strings -- Caught: java.lang.ClassFormatError: Unknown constant tag 84 in class file test	Open
	GROOVY-2308	use java5 classes for ConcurrentReaderHashmap	Open
	GROOVY-2818	Either support true stateful mixins or remove the current experimental implementation all together	Open
	GROOVY-781	Confusion of range for string	Reopened
	GROOVY-1543	Support multiple declarations at once: def a,b = 1,2	Reopened
	GROOVY-596	StackOverflowError when instanciate BeanInfo	Reopened
	GROOVY-2235	Regression since 1.0 in Mock support	Closed
	GROOVY-2510	GroovyDoc support of @see tag	Closed
	GROOVY-2460	VerifyError instead of compilation error	Closed
	GROOVY-2482	More problems with covariant return types	Closed
	GROOVY-2425	Cannot resolve which method to invoke with extended interfaces	Closed
	GROOVY-873	break/continue with label ignores the label	Closed
	GROOVY-569	java.lang.ClassFormatError running groovy script from shell (bash)	Closed
	GROOVY-2331	Println behavior for collections, strings and gstrings [minor breaking change]	Closed
	GROOVY-2397	grovy 1.5 startup bug under cygwin - breaks up arguments with spaces	Closed
	GROOVY-2484	performance issue with collections operations when numbers are elements of the collections	Closed
	GROOVY-2485	A labelled continue statement does not appear to correctly imitate its Java counterpart.	Closed
	GROOVY-1773	Add varient return type warning to GroovyC	Closed
	GROOVY-1767	Windows start scripts have problems with -Dfoo=bar parameters	Closed
	GROOVY-2081	Script executes correctly when called with absolute path, but fails when called with relative path	Closed
	GROOVY-2486	getAt calls not selecting right implementation	Closed
	GROOVY-2254	Expose GSE on GroovyServlet to subclasses so they may add extra configuration	Closed
	GROOVY-2513	Problems with commandline arguments in groovy under cygwin	Closed
	GROOVY-2517	Allow "as Set" to work with arrays	Closed
	GROOVY-2498	Swingbuilder table content gets mixed up when columns are re-ordered by dragging.	Closed
	GROOVY-2527	Unexpected Array conversion on variable assignement	Closed
	GROOVY-2524