Version 1.5.5
• Release notes unavailable.

Version 1.5.4
• Add "insert-at-beginning" attribute support.
• Add "hidden" attribute support for types.
• Correct 10.4 compatibility issue.

Version 1.5.3
• Update parse for better target version detection.
• Validator no longer reports error when using xml id to refer to a class.
• Autocompletion lists are sorted.
• Improve symbol browser.
• Rewrite low-level parser for xinclude (read-only) support.

Version 1.5.2
• Correct bug that prevented pure resource file importation.

Version 1.5.1
• Change in “responds-to” to support empty “command” attribute.

Version 1.5
• Revamp interface.
• Improve synonyms support.
• Improve Invalid Sdef Document support.
• Add support for Leopard extensions.
• Add a new Sdef validator to check sdef document validity.
• Rewrite “aete” and .scriptSuite importer (faster and more accurate).
• Add versioning system that allows choice of target system version (Tiger or Leopard).