Issues

• Leader moves more than once during a rolling update

  kind/feature
  kubernetes-sigs/controller-runtime#3660 · Filter by author joey-yi-zhao opened on Nov 12, 2026

• Lazy RESTMapper sends a discovery request on every lookup of a missing kind

  kind/bug
  kubernetes-sigs/controller-runtime#3659 · Filter by author Kitio-Tek opened on Nov 12, 2026

• Feature Request: Add cache sync duration metric

  kubernetes-sigs/controller-runtime#3657 · Filter by author shahar-h opened on Nov 11, 2026

• setup-envtest requires elevation on Windows ARM64; an asInvoker manifest fixes launch

  kubernetes-sigs/controller-runtime#3656 · Filter by author brooke-hamilton opened on Nov 10, 2026
  1

• zap-time-encoding help text still says the default is 'epoch'

  kubernetes-sigs/controller-runtime#3634 · Filter by author Manishram-ai opened on Nov 1, 2026

• Manager startup spins after cancellation before cache readiness

  kubernetes-sigs/controller-runtime#3629 · Filter by author thomhurst opened on Oct 30, 2026
  1

• Provide a way to check the resourceVersion of a specific informer in multiNamespaceInformer

  kubernetes-sigs/controller-runtime#3607 · Filter by author sbueringer opened on Sep 28, 2026
  2

  

• Webhook server and metrics server use different values to turn off

  kubernetes-sigs/controller-runtime#3604 · Filter by author camilamacedo86 opened on Sep 27, 2026
  2

• RestMapper cache is never invalidated when a client requests a group without specifying a version

  kubernetes-sigs/controller-runtime#3542 · Filter by author zioc opened on Jul 6, 2026

• Backport workflow-hardening fix (excessive-permissions) to 5 release branches

  lifecycle/stale
  kubernetes-sigs/controller-runtime#3537 · Filter by author CharlieMCY opened on Jun 29, 2026
  3

• level=ERROR msg="error received after stop sequence was engaged" err="leader election lost"

  kubernetes-sigs/controller-runtime#3535 · Filter by author mxey opened on Jun 25, 2026
  4

• Shutdown manager if webhook & metrics server cert-watchers fail

  kubernetes-sigs/controller-runtime#3413 · Filter by author sbueringer opened on Jan 8, 2026
  11

• Remove the old deprecated Events API

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3355 · Filter by author clebs opened on Oct 13, 2025
  1

• Feature: ReadYourWritesConsistency

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3320 · Filter by author alvaroaleman opened on Sep 15, 2025
  26

  

• Feature: Coordinated Leader Election

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3309 · Filter by author sbueringer opened on Sep 5, 2025
  7

  

• Add readiness check for metrics server when using `WithAuthenticationAndAuthorization()

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3238 · Filter by author camilamacedo86 opened on Jun 22, 2025
  15

• Feature: Warmup for controllers

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3220 · Filter by author sbueringer opened on May 16, 2025
  2

• Consider providing statusz / flagz endpoints

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3110 · Filter by author sbueringer opened on Feb 10, 2025
  2

• Zapr log levels don't align with glog/klog recommendations

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3081 · Filter by author alvaroaleman opened on Jan 20, 2025
  3

• Object doesn't get updated after Client.Delete(object)

  kind/buglifecycle/frozen
  kubernetes-sigs/controller-runtime#3059 · Filter by author Nihileon opened on Jan 3, 2025
  25

• Metrics improvements

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#3054 · Filter by author sbueringer opened on Jan 2, 2025
  2

• webhook: Admission metrics are not reported by status code

  kind/featurelifecycle/frozen
  kubernetes-sigs/controller-runtime#2972 · Filter by author ahmetb opened on Oct 9, 2024
  15

  

• Optimize patches returned by Defaulter

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#2800 · Filter by author sbueringer opened on Apr 29, 2024
  5

• Enhancement of Authentication and Authorization Filters to Allow Custom Configurations and Stability Improvements

  lifecycle/frozen
  kubernetes-sigs/controller-runtime#2781 · Filter by author camilamacedo86 opened on Apr 16, 2024
  14

• Add "controllerutil" helpers for applyconfigurations (SSA)

  kind/featurelifecycle/frozen
  kubernetes-sigs/controller-runtime#2674 · Filter by author erikgb opened on Feb 4, 2024
  10