The Enhancements and New Features are documented in the Release Notes.
If upgrading from more than one version back, it will be necessary to review the Release Notes for all intermediate versions.
The Enhancements and New Features for V17.0 are documented in the V17.0 Release Notes on the CA Endevor DocOps site.
The Enhancements and New Features for V18.0 are documented in the V18.0 Release Notes on the CA Endevor DocOps site.
The Release Notes for V16.0 can be downloaded from the CA Support Online Documentation Center.
If Release Notes are needed for versions prior to V16.0, please contact CA Endevor Support.