v2.4.0

Functional:

• Use DateTimeInterface for dateAdded instead of DateTime (#105).
  • DateTime implements DateTimeInterface, so compatibility is maintained with existing library consumers using DateTime.
• Add support for setting all prices of an item in one step (#106).

Documentation:

• Update links to documentation in README.md (#102).

Internal:

• Add PHP 7.4 (snapshot) to build matrix (#105).

v2.3.0

Functional:

• Disallow empty item names for XML export (#101).
  • This is not considered a breaking change because no known consumer of libflexport currently uses empty item names.
  • This includes update to XML schema version 1.3.0.

Internal:

• Add Mohamad Assani to the list of authors (3724b48).

v2.2.0

Bug:

• Require the XML export schema package as non-dev dependency (#100).

Documentation:

• Update example code and remove unused itemData stuff (#99).

v2.1.0

Functional:

• Validate XML pages against the schema (#66).
• Add affected value to exception message for empty values (#67).

Internal:

• Add use statements for top-level PHP standard library classes (#97).

v2.0.0

• Drop support for PHP <7.1.
• Add type declaration pervasively.
• Specify visibility of constants.
• Upgrade PHPUnit and clean up its configuration.
• Replace PHP CS Fixer with PHP Code Sniffer.
• Restructure exception classes.
• Enhance code style.

v1.4.0

Functional:

• #95: Enforce technical size limits for IDs, attribute keys/values, and groups.

Internal:

• #94: Improve code quality

v1.3.0

Functional:

• #65: Trigger a warning when using non-associative arrays for property construction.
• #70: Replace newline characters with spaces in CSV export values.
• #71: Validate the maximum length of attribute fields.
• #72: Ensure that CSV headers are only written on the first page.
• #90: Ensure that empty attribute- and property values can not be set.

Internal:

• #63: Improve README.
• #64: Changed copyright holder in the license to a collective one.
• #75: Use addItem method when setting multiple items at once in an XML page.
• #83: Add an issue template.
• #84: Add a pull request template.
• #85: Add a contribution guide.
• #86: Add a missing data provider to a URL validation test.

v1.2.2

• Document methods of the public API (#56).
• Document encoding limitations of the export formats (#57).
• 100% test coverage.

v1.2.1

• Check if input of URL and image elements are URLs (#46)
• Improve code coverage and fix bug that allowed skipping validation (#55)

v1.2.0

• Verify that the sort value is an integer (#52).
• Full support for the CSV export format (#42).
• Add documentation and examples for CSV exporter usage (#54).

Note that, being the first release with full export support, some bugs might still be hidden away. Consider it "beta" for now.