We're using Jira server 7.4
There are literally hundreds of fields so when changing between workflow schemes I'm presented with tens of pages of fields asking me for destination statuses. (Unfortunately the custom fields were added to the Default scheme..)
I had thought that changing the project to use an issue type scheme (with only a handful of issue types) would just show the issue types in the scheme used in this project.
But it doesn't - it shows transitions for issue types the project doesn't use and doesn't even allow.