That does not sound right to me - when you change a workflow for an issue type, all that should change is the workflow.
Could you look at one of the affected issues, click on the "history" tab and look at the exact changes made when the workflow changed - is the workflow change grouped with the reporter change?
Everything below is tested on Ubuntu 17.10. I prefer to use Jira in a docker container because: 1. I can install Jira with a couple of commands. 2. I can start and stop Jira just by starting and s...
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