From David Musgrave: Developing for Multiple Dexterity Versions and a warning
Developing for Multiple Dexterity Versions and a warning – Developing for Dynamics GP – Site Home – MSDN Blogs
Development & IntegrationMicrosoft & the GP Ecosystem
Archived post from 2013. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.