• DataType and DataTypeFactory do not accept empty strings any more.
• Removed DataType::getLabel along with the DataTypes\Message class.
• Added DataType::getMessageKey.
• Added a basic PHPCS rule set, can be run with composer phpcs.

• Fixed cache invalidation in DataTypesModule.
• Fixed DataTypeFactory to report invalid arguments on construction.

• DataTypeFactory::getTypes() now returns array with typeId keys as documented

Breaking changes

• DataType no longer takes an array of ValueValidator in its constructor
• DataType::getValidators has been removed
• DataTypeFactory now takes a map from data type id to data value type.
• DataTypeFactory::registerBuilder has been removed

Fixed version number constant.

• Updated code documentation for being able to automatically generate a proper documentation using JSDuck.
• Removed the ResourceLoader module "dependencies" which had been defined by accident.

Removed the global variable wgDataTypes.

Breaking changes

• dataTypes.DataType JavaScript object may not be initialized providing a dataValues.DataValue object anymore.
• Removed dataTypes.DataType.getLabel().
• Removed global DataType registration in the dataTypes object; DataTypeStore is to be used instead.
• Split up generic "dataTypes" ResourceLoader module into "dataTypes.DataType" and "dataTypes.DataTypeStore".

Enhancements

• Removed MediaWiki and DataValues dependencies from JavaScript code.
• Made code PSR-4 compliant.
• Removed ResourceLoader dependency of QUnit tests.
• Implemented DataTypeStore.