Grails

Grails is built on top of Java's Spring framework, while also adding support for coding conventions and the Groovy language.

Grails is currently considered on of the elite web framework for JVM.

What is new in this release:

• This release restores dynamic scaffolding as a feature.

What is new in version 3.0.9:

• This release restores dynamic scaffolding as a feature.

What is new in version 3.0.1:

• This release contains many bug fixes and even a new feature (first() and last() methods for GORM).

What is new in version 2.1.0:

• Generate plugins-list.xml from plugin portal.
• Optimize and cleanup reloading of hibernate plugin when domain classes change.

What is new in version 2.1.0 RC2:

• Improved performance of non-controller backed requests.

What is new in version 2.0.3:

• Data binding of associations is now allowed by default.
• Reloading and interactive mode on Windows have been fixed.
• Existing versions of STS and Intellij can work with 2.0.3.

What is new in version 2.0.1:

• Includes bug fixes and improvements for the Grails 2.0 release.

What is new in version 2.0.0:

• A new console UI incorporating tab completion and coloured output
• A better and more reliable reloading mechanism, resulting in far fewer server restarts
• Enhanced error reporting and problem diagnosis
• The latest and greatest libraries: Groovy 1.8, Spring 3.1, Hibernate 3.6 and Servlet 3.0
• A powerful framework for static resources (CSS, Javascript, etc.)
• New APIs for link generation and page rendering
• New GORM features: detached criteria, Where queries, multiple data sources, and more
• Standard plugins for database migrations and reverse engineering
• New unit testing API with full GORM emulation

What is new in version 2.0.0.RC2:

• Added whereAny or equivalent that defaults to OR.
• Upgraded to Groovy 1.8.4.
• Upgraded to Spring 3.1 RC2.
• Updated upgrade documentation detailing the changes to web.xml.

What is new in version 2.0.0.RC1:

• An easy to use Object Relational Mapping (ORM) layer built on Hibernate
• An expressive view technology called Groovy Server Pages (GSP)
• A controller layer built on Spring MVC
• A command line scripting environment built on the Groovy-powered Gant
• An embedded Tomcat container which is configured for on the fly reloading
• Dependency injection with the inbuilt Spring container
• Support for internationalization (i18n) built on Spring's core MessageSource concept
• A transactional service layer built on Spring's transaction abstraction

What is new in version 2.0.0.M1:

• Fixed Bugs:
• g:formRemote generates invalid XHTML
• Cannot insert plugin filter mapping in desired location of web.xml
• Cannot remove elements from web.xml in doWithWebDescriptor
• Testing Controller with render(template:....)
• Select tag with default value should work when one is String and other is GString
• Mapping Definition Not Inherited by Subclasses w/Mapping Definition
• Abstract/base class changes in controller requires a manual restart
• GrailsUrlMappingsTestCase broken for mappings to views
• Can't reload a controller with multiple classes defined
• DB2 64 Bit Dialect Detector
• mockDomain() does not provide dynamic count methods
• Improvements:
• Slurp config files listed in grails.config.locations _before_ initializing log4j instead of after
• Fix eager loading of associations when used with pagination
• Some plugin configuration features are undocumented
• Remove grails-macros.xml
• Set grails.logging.jul.usebridge=false in Config.groovy template
• Automatic reloading of classes with Command suffix
• Public methods should be allowed (and recommended) as actions
• run-script uses direct hibernate API - it should use the persistence interceptor API
• Improve isDirty() documentation to cover hibernate collections
• Merge Datasources plugin into core
• Improve GSP performance by reducing overhead of page binding (use new strategy which doesn't copy variables to each binding)
• Static dispatch in GSP
• Grails 1.4 output should not send special control sequences to output streams that don't understand them
• New Features:
• Make rendering operations (views, templates etc.) possible on non request threads and from services and other beans
• No spring DSL for factory beans with constructor arg
• Support binary-only distribution and use of plugins
• Grails interactive mode enhancements - Autocomplete, property adding, etc
• BuildConfig should resolve transitive plugins
• Unit Testing Web Flows
• Default command constraints
• GORM support for Bag (org.hibernate.collection.PersistentBag)
• Support loading static resources from binary plugins via the resources plugins
• Add Support For Autobinding Request Parameters To Controller Action Method Parameters

What is new in version 1.4.0.M1:

• Grails 1.4 comes with Spring 3.1 M1, Groovy 1.8, Hibernate 3.6, Servlet 3.0 and Tomcat 7.0.

What is new in version 1.2.2:

• Non determinism in plugin dependency resolution.
• Error starting Grails: Incompatible argument to function java.lang.VerifyError.
• LocaleContextHolder is accessing wrong i18n information (Accept-Language) from a taglib in a layout.