Found it! Need to add ApiController attribute to all routes (also derive from controllerbase)

devdocs/todo.txt

@@ -11,6 +11,15 @@ UPDATE all the things before commencing work
 	- https://github.com/domaindrivendev/Swashbuckle.AspNetCore#swashbuckleaspnetcoreannotations
 	- 
 
+Metrics and swagger broken after update.
+Need to consider re-thinking versioning system of api to remove the complexity of swagger bullshit when using versioned api.
+
+Test out versioning in the test project I made following the Swashbuckle guide for multiple docs:
+https://github.com/domaindrivendev/Swashbuckle.AspNetCore#list-multiple-swagger-documents
+
+Because maybe this is the way to go?
+
+
 Need a sprint to get to a fully testable client with entry form, list and as much as possible all features from COMMON-* specs list 
 Do the stuff in the Client todo first then back to the server as required.