There's no need for that.
I'd recommend warning them - if someone is in the middle of a transition (on a transition screen) and your new workflow changes or removes that transition, they could lose what they're putting in (commit will throw a nasty error), but you won't damage any data.
Workflow migration can be very heavy on the server though and this could affect your users - so, again, warn them!
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs