UI glitches out when reordering newly created lifecycle phases

[calverp]

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Prerequisites

• I have verified the problem exists in the latest version
• I have searched open and closed issues to make sure it isn't already reported
• I have written a descriptive issue title
• I have linked the original source of this report
• I have tagged the issue appropriately (area/*, kind/bug, tag/regression?)

The bug

When creating a new lifecycle phase and re-ordering the phases the list will multiply.

What I expected to happen

The phases should not reproduce

Steps to reproduce

• Save a lifecycle with at least 2 phases
• Edit the lifecycle and add at least 2 new phases
• Select Re-order phases and drag any phase around
• Observe the phases multiply
• If you exit the re-order and click the button again, a red error appears. Clearing the browser cache (ctrl-f5) removes the error

Screen capture

Affected versions

Octopus Server: 2020.4.2

Workarounds

Saving the lifecycle after adding the new phase(s) and then going back in to re-order them seems to prevent this issue.

Links

Internal Link

[calverp]

UI glitches out when reordering newly created lifecycle phases

[mcasperson]

We have flagged this as an issue with product, but at this point we do not have capacity to assign an engineer to resolve the issue. We'll keep the issue open, but unfortunately we can not provide any guidance as to when it will be resolved.