Backward compatibility issues with previous versions
Since 2.1.0: All default result names and interceptor names are now in camelCase (eg. was redirect-action, is now redirectAction)
Since 2.1.0: The "ajax" theme is provided by the Dojo Plugin. Applications using the ajax theme must include the Dojo Plugin dependency and modify existing pages to import the plugin's own taglib/model
Since 2.1.0 Tiles plugin: A DOCTYPE is now mandatory in the Tiles definitions XML
Since 2.1.1: The immutable Configuration object is now created via a builder. The API is not compatible with prior versions. This primarily affects plugins that define Configuration.
Since 2.1.1: The static method ActionContext.getContext() no longer lazily initializes an ActionContext. Unit tests that relied upon this behaviour need to setup the ActionContext via the Container first.
Since 2.1.1: OGNL method calls like "text(key)" now invoke "text(String)" instead of "getText(String)". This affects method calls only, not properties. Some OGNL expressions may need to be updated.
Since 2.1.1: JUnit, TestNG, and DWR classes classes moved into their own plugins