Changes General This annex lists the changes from version to version of the file exchange format together with major changes in the overall document. Non-backward compatible changes (nc) are marked as such. Changes V3.1 vs. V3.0.1 Major Changes: CHANGE: aasx/data.<extension> is only a recommendation (change from shall to should) (#10) CHANGE: support both relationship paths: http://admin-shell.io/aasx/relationships (as specified and recommended) and (deprecated) http://www.admin-shell.io/aasx/relationships (#2) CHANGE: Terms and Definitions adopted to IEC 63278-1:2023 (before IEC 63278-1 Draft July 2022 was the basis), (#365) also abbreviations partly adopted; changes: changed: asset changed: digital representation (example only) changed: Submodel Transfer from .docx to asciidoc (.adoc) and maintenance in GitHub Minor Changes: editorial changes Changes V3.0.1 vs. V3.0 Major Changes: CHANGE: aasx/data.<extension> is only a recommendation (change from shall to should) (#10) CHANGE: support both relationship paths: http://admin-shell.io/aasx/relationships (as specified and recommended) and (deprecated) http://www.admin-shell.io/aasx/relationships (#2) Changes Part 5 V3.0 vs. Part 1 V2.0.1 Major changes: CHANGE: document Part 1 split into several separate documents: Part 1 on the metamodel of the AAS, Part 5 on the aasx package exchange format (this document), and others CHANGE: simplified, only one data file (but in different formats, if needed, e.g. data.xml and data.json) and 0..* supplementary files (as referenced in the data file) allowed; one data file may contain several Asset Administration Shells CHANGE: splitting of an Asset Administration Shell is no longer allowed (i.e. relationship type aas-spec-split removed) CHANGE: predefined recommended name "data" for the data file (aasx/aas-spec); the suffix "aas." (i.e. data.aas.xml) is no longer required (now just data.xml) because splitting of files is no longer allowed CHANGE: clause on digital signatures shortened; description of how to sign and what to consider when signing AASX files or content no longer available Minor changes: Update xml examples to follow new version of xml schema