"PreDelete hooks allow teams to define Kubernetes resources, such as Jobs that must run and succeed before Argo CD proceeds with deleting the rest of an application's resources, and a failing hook will block deletion. In practice, this turns deletion into an explicit lifecycle phase that can include data export, draining traffic or notifying dependent systems."
"Previously, engineers could be logged out of the user interface after a short access token lifetime even while actively working, which was a source of frustration during longer debugging or deployment sessions. The new behaviour automatically refreshes OIDC tokens in the background before expiry."
Argo CD 3.3 represents a practical release focused on improving day-to-day GitOps operations rather than architectural changes. The release introduces PreDelete hooks, completing the lifecycle management by allowing teams to define resources that must execute successfully before application deletion, enabling controlled teardown sequences including data export and traffic draining. OIDC background token refresh automatically renews authentication tokens before expiry, eliminating unexpected logouts during extended work sessions. Additional improvements address deletion safety, authentication experience, repository performance, and precise control for cluster and autoscaling resources, resolving long-standing operational challenges for teams using Argo CD.
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