RATATOSKRATATOSK
Sign in

Flux

v2.9.5CI/CD & App Delivery
Aug 31, 2026

CHECK 1OTHER 5

A maintenance release with dependency updates, startup cleanup, and a fix for crashes caused by negative-length substring expressions. It also enforces inline credentials and certificates for kubeconfig Secrets used by the controllers.

Check if affected (1)

  • breakingInline credentials required for kubeconfig Secrets

    Applies if you use .spec.kubeConfig.

    Kubeconfigs from .spec.kubeConfig Secrets now reject local file references in certificate-authority, tokenFile, client-certificate, and client-key. Credentials and certificates must be embedded inline in the helm-controller and kustomize-controller.

All 5 other recorded changesvalue changes 3 · fixes 2

value changes (3)

  • - Move back to upstream Helm v4.2.4, dropping the Flux fork (helm-controller, source-controller)
  • - Update fluxcd/pkg dependencies, which bring Kubernetes to 1.36.4 (all controllers, flux CLI)
  • * Update toolkit components by @fluxcdbot in https://github.com/fluxcd/flux2/pull/6049

fixes (2)

  • - Purge temporary directories at startup (kustomize-controller)
  • - Fix panic on negative-length substring expressions in post-build substitution (kustomize-controller, flux CLI)
Add Flux to your stack

A weekly email arrives when a release needs action. Like the breaking changes in this release.

Add to stack →
Official release note ↗All Flux releases →