The new features included in version 0.4 are:

- new module-based development allowing easier extension/customisation;

- incremental data import added (supporting new data import, saving and editing previous imports);

- ISO 19135-1 functionalities added: addition, clarification, supersession, invalidation and retirement;

- simplified data files (no more xml descriptor);

- complete data consistency check included in the data procedure;

- multilingual support allows others to reuse the software in their own language;

- new edits/changes can be exported separately (using an incremental static-file approach);

- simpler customisation of the exported file using the XSLT files);

- (bug fixing)