# AOM 1.5 update published

**Category:** [Technical (archive)](https://discourse.openehr.org/c/technical-archive/156)
**Created:** 2013-09-20 11:15 UTC
**Views:** 1
**Replies:** 0
**URL:** https://discourse.openehr.org/t/aom-1-5-update-published/16432

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## Post #1 by @thomas.beale

The latest version of AOM 1.5 is now published [here](http://www.openehr.org/releases/trunk/architecture/am/aom1.5.pdf).

Changes:

- remodelling / rationalisation of C_PRIMITIVE_OBJECT classes (types expressing constraints on Integer, Boolean, Date, String, Terminology_code etc)
- simplification of Tuple model, to achieve the same effect as before - complete replacement of openEHR 'special syntax'
- all ADL 1.4 openEHR archetypes now parse to the new tuple syntax
- the 'openEHR Archetype Profile' is now obsolete

These changes have all been implemented and validated in the ADL Workbench, which will be released in a new beta in the next week or so. The Java implementation group at Marand are working on upgrading the Java ADL compiler to the same models.

Any questions, complaints, wish list, etc, as usual - please post here.

- thomas beale

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**Canonical:** https://discourse.openehr.org/t/aom-1-5-update-published/16432
**Original content:** https://discourse.openehr.org/t/aom-1-5-update-published/16432