We have Developer and QA fields. Both are Multiple User Custom Fields. Is there any way to create a Validator that checks that none of the members Developer users are in QA?
You can do it using Boolean validator with math, date-time or text-string terms with the following configuration:
Text to be parsed is: %{13500} none in %{13501}
Note that:
Both field codes depend on each particular Jira instance, since they are custom fields.
Once configured, validator will look like this: