Runtime represents the results of the final compilation of the Dynamics 365 Business Central AL Language extension file.
The notation is simpler and consists of a major, minor, and build version. For example, the Spring 2018 update (or the April 2018 update) is named major version 1, while the Fall 2018 update (or the October 2018 update) is version 2, and so on. The current major version that targets the Dynamics 365 Business Central Fall 2019 update is version 4.
When developing extensions, within the app.json file, you can define what runtime version the application is targeting. This enables or disables different sets of features that cannot be part of the target platform deployment, and the AL Language extension's runtime will ...
