This framework version is DEPRECATED for new modules, and upgrading is recommended for existing modules. See the Versioning README for the latest framework version and more details on framework versions in general.
The REDCap External Module Framework was first added to REDCap in Standard Release 8.0.0. It first appeared in REDCap LTS at 8.1.2. The original/default version of the module API was rebranded as Framework Version 1 when Framework Version 2 was released.