<!-- If you are trying to resolve an environment-specific issue or have a one-off question about the edge case that does not require a feature then please consider asking a question in argocd slack [channel](https://argoproj.github.io/community/join-slack). --> **Describe the bug** The `status.health.lastTransitionTime` field of Application is missing/not set. **To Reproduce** Create a "guestbook" app, look at the status. **Expected behavior** The field should be set. **Version** e72ebb009 (3.0)