Authoring Platform Version 5.3.0 - 19 December 2019 - Release Notes (Managed Service)

Authoring Platform Version 6.3.0 - 28 November 2019 - Release Notes (International)

Authoring Platform Version 6.2.0 - 17 October 2019 - Release Notes (International)

Authoring Platform Version 6.1.0 - 10 October 2019 - Release Notes (International)

Authoring Platform Version 6.0.0 - 30 September 2019 - Release Notes (International)
Version 6.*.* identifies OWL full axiom support Authoring Platform versions running on the Snowstorm terminology server.

Authoring Platform Version 5.2.1 - 13 September 2019 - Release Notes (Managed Service)

Authoring Platform Version 4.2.3 - 3 September 2019 - Release Notes (Training Authoring Platform hot-fix)

Authoring Platform Version 5.2.0 - 29 August 2019 - Release Notes (Managed Service)

Authoring Platform Version 5.1.0 - 20 August 2019 - Release Notes (Managed Service; production deployment was deferred and rolled up into the AP 5.2.0 release on 29 August).

Authoring Platform Version 4.2.2 - 14 August 2019 - Release Notes (International)

Authoring Platform Version 5.0.0 - 18 July 2019 - Release Notes (Managed Service)
Version 5.*.* identifies OWL full axiom support Authoring Platform versions running on the SnowOwl terminology server.

Authoring Platform Version 4.2.1 - 4 July 2019 - Release Notes (Training Authoring Platform hot-fix; Managed Service Authoring Platform hot-fix 9 July 2019)

Authoring Platform Version 4.2.0 - 4 April 2019 - Release Notes (All Platforms - including IMS v2 update)

Authoring Platform Version 4.1.1 - 15 February 2019 - Release Notes (Managed Service)

Authoring Platform Version 4.1.0 - 14 February 2019 - Release Notes (International)

Authoring Platform Version 4.0.1 - 23 January 2019 - Release Notes (International hot-fix)

Authoring Platform Version 4.0.0 - 21 January 2019 - Release Notes (Managed Service planned for 31 January 2019)