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GDL2 Guideline Language v2 specification released
GDL2 Guideline Language v2 released, incorporating lessons from 6 years' industrial use

BASE Release 1.1.0 Published
BASE component Release 1.1.0 has published by openEHR SEC

RM Release 1.0.4 published
RM Release 1.0.4 published

openEHR REST API 1.0.0
openEHR REST API 1.0.0 released

REST APIs Release 0.9.0
REST APIs Release 0.9.0 out for comment

openEHR QUERY component Release 1.0.0
openEHR QUERY component Release 1.0.0 released 15 Nov 2017

openEHR Terminology Release 2.1.0
openEHR TERM component Release 2.1.0 released 08 Nov 2017

RM Release-1.0.3
Release 1.0.3 of the RM is published

ADL 2 Workbench Release
A new release of the ADL Workbench is available. It implements the latest draft of the ADL/AOM 2 formalism, and offers numerous functional improvements.

ADL Workbench 1.5beta10 released
New release of the ADL 1.5 workbench available on 3 platforms. Numerous enhancements, close to final version of ADL.

AOM 1.5 update - more powerful, easier to implement
Latest AOM draft removes openEHR special syntax, improves model of basic types.

New draft of Knowledge Artefact Identification specification
For those interested in the specification for Knowledge Artefact Identification (including archetypes, templates and terminology subsets), a major rewrite of the previous draft is now available on Wiki.

Guideline Definition Language (GDL) first release
We are pleased to announce the immediate availability of the design specifications of Guideline Definition Language (GDL) and its reference implementation under open source software licenses.

CKM upgraded to include projects and other features
A major new release of the openEHR Clinical Knowledge Manager (CKM) went online today. This release is a major upgrade to CKM which provides improved 'governance units', and also gets closer to the ultimate goal of an end-to-end tool chain.

Archetype Editor 2.2.905 beta
We are pleased to announce that Archetype Editor 2.2.905 beta has just been released. Find out more information on the tool page.

ADL - syntax highlight for Notepad++
ADL syntax highlight for Notepad++ was developed by Armando Prieto from Venezuela.

ADL 1.5 Workbench - beta release 8
A new beta release of the ADL 1.5 Workbench is now available here. Release includes a complete makeover of the user interface, with numerous usability improvements, plus a number of compiler corrections.

ADL 1.5 Workbench - beta release 4
A new beta release of the ADL 1.5 Workbench is now available here. Quite a lot of new features have been added, as described in the release notes. Please note that this release only includes a Windows build; Linux and Mac builds will follow in the next couple of weeks.

First open source release of openEHR.NET
The first release of openEHR.NET is available now. openEHR.NET is a C# implementation of the openEHR Reference Model and Archetype Model specifications, allowing developers to build openEHR applications by composing RM objects, validate against AM objects and serialise to/from XML.

ADL 1.5 Workbench - beta release 3
The latest beta of the ADL 1.5 Workbench for Windows, Mac and Linux can now be downloaded from the help page. It includes significant UI improvements, and an implementation of annotations as recently discussed on the lists.

Achetype Editor 2.2 beta release
A new beta release of the Archetype Editor is now available here. Bug fixes and enhancements are described in the release notes. Issues can be reported on the Problem Report tracker here.

ADL 1.5 Workbench - beta release 2
A second beta of the ADL/AOM 1.5 Workbench has been released. The main feature added is support for regression testing of archetypes. A new SVN repository has been added that contains test archetypes as well as the object model schemas used to drive the ADL Workbench.

ADL 1.5 Workbench - beta release
A new beta of the ADL Workbench (AWB) has been published. This version of the tool has been greatly improved from previous versions and has many new features. It also implements most of the ADL / AOM 1.5 draft specifications, which completely replace the ADL and AOM 1.4 vintage.

Opereffa - initial release
The openEHR Foundation is pleased to announce the early release of Opereffa - openEHR REFerence Framework and Application, under development at UCL.

New ADL Workbench release supports RM validation
A new version of the ADL Workbench ('AWB') based on the latest ADL / AOM 1.5 draft specifications has been released.

openEHR Release 1.0.2 published
The openEHR Foundation is pleased to announce Release 1.0.2 of the specifications.

First openEHR Ruby implementation released
Akimihci Tatsukawa and Shinji Kobayashi of announce the release of version 0.0.1 of a Ruby implementation of openEHR.

ADL Workbench 1.4.1 release
Release 1.4.1 of the Archetype Workbench is now available. This release includes some major new features.

openEHR Release 1.0.1 published
The openEHR Foundation is pleased to announce Release 1.0.1 of the specifications. It is a stable base for ongoing implementation and forthcoming specifications.

UML of Release 1.0
On 16 March 2006 openEHR has released the UML diagrams of Release 1.0 incorporating changes from the public comment period.

openEHR Release 1.0 published
The openEHR Foundation is pleased to announce Release 1.0 of the specifications.

openEHR Release 0.96 published
Release 0.96 of the openEHR specifications is published today.

ADL Workbench release
The ADL reference parser is now available in the form of the ADL workbench, ADL validator application, dotNet DLL and Java (jni) DLL.

Initial release of Java kernel
The initial release of the java openEHR reference kernel is now available.

openEHR Release 0.9 published
Version 0.9 of the openEHR specifications have been published.

Acknowledgements: Atlassian (Jira, Confluence) | NoMagic (MagicDraw UML)
AsciiDoctor (publishing) | GitHub (DVCS) | LAMP dev community