title: How to change pull request's target via Azure DevOps API
body: <p>The documentation says that the <code>TargetRefName</code> can be updated when &quot;PR retargeting feature is enabled&quot; but I can't find this option anywhere and can't see any documentation about how to enable it either.</p>
  <p>How do I enable PR retargeting so that I can update the PR's target?</p>
  <p><a href="https://docs.microsoft.com/en-us/rest/api/azure/devops/git/pull%20requests/update?view=azure-devops-rest-5.1" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/rest/api/azure/devops/git/pull%20requests/update?view=azure-devops-rest-5.1</a></p>