Timeline for already-deprecated extensions types (DaemonSet, Deployment, ReplicaSet, StatefulSet, NetworkPolicy, PodSecurityPolicy):

• 1.14:
  • switch pruning to apps/v1 - Prune apps/v1 resources #72352
  • Update add-on manifests to use new API groups - Change add-on manifests to apps/v1 #72203
  • Update controllers, tests, templates to use new API groups. - Switch client and test usage to apps/v1 #70370
  • update addon-manager to prune workload apis in the apps/v1 API group - Bump kubectl in addon-manager #72940, Update addon-manager changelog/image #72978
  • update cluster-proportional-autoscaler to scale via apps/v1 - Add support for scaling via apps/v1 and v1 APIs kubernetes-sigs/cluster-proportional-autoscaler#54
  • update kops to stop using extensions/v1beta1 resources during cluster bringup - Update or add manifests for apps/v1 workload APIs kops#6273
  • ensure CI jobs are green when run without serving deprecated types in extensions/v1beta1, apps/v1beta1, apps/v1beta2 - [1.16] Stop serving deprecated beta workload APIs #70672 (not intended to merge until 1.16)
  • ack timeline with relevant sigs
    • sig-apps (DaemonSet, Deployment, ReplicaSet, StatefulSet), 2019-03-04 meeting
    • sig-auth (PodSecurityPolicy), 2019-03-06 meeting
    • sig-network (NetworkPolicy), 2019-03-07 meeting
  • announce plans/timeline in community meeting, 2019-03-07 meeting
  • in 1.14 release notes, announce intent to stop serving deprecated types under extensions/v1beta1, apps/v1beta1, apps/v1beta2 by default in v1.16 (draft)
  • announce plans/timeline in kubernetes-dev (https://groups.google.com/forum/#!topic/kubernetes-dev/je0rjyfTVyc)
• 1.15:
  • keep [1.16] Stop serving deprecated beta workload APIs #70672 green
  • re-announce intent to stop serving deprecated types in those three API groups by default
    • https://groups.google.com/d/msg/kubernetes-dev/je0rjyfTVyc/Jfjs4yn8AgAJ
• 1.16:
  • merge [1.16] Stop serving deprecated beta workload APIs #70672
  • announce the deprecated types are no longer served by default, describe how to re-enable serving them if required, announce ability to re-enable will be removed in v1.18
• 1.18:
  • remove ability to re-enable serving the deprecated types/API groups - Remove ability to re-enable serving deprecated APIs #85903

Plan for ingress:

• 1.14:
  • replicate Ingress API to networking.k8s.io/v1beta1 - Ingress extensions/v1beta1 -> networking.k8s.io/v1beta1 #74057
  • announce extensions/v1beta1 Ingress deprecated (draft)
• 1.15
  • plan v1 improvements
• 1.18
  • execute v1beta1 improvements
    • IngressClass - Adding IngressClass to networking/v1beta1 #88509
    • pathType and validation - Adding PathType to Ingress #88587
    • resource backend
• 1.19
  • promote to networking.k8s.io/v1
  • announce networking.k8s.io/v1beta1 Ingress deprecated, to no longer be served in 1.22
• 1.21
  • update all examples and usages to networking.k8s.io/v1
  • update in-org deployments (kube-up, kubeadm, kops, etc) to use networking.k8s.io/v1
• 1.22
  • stop serving extensions/v1beta1 and networking.k8s.io/v1beta1 Ingress
  • disable serving the extensions/v1beta1 API group

Complete:

• switch kubectl away from using extensions/v1beta1 Deployment rollback function - Switch kubectl rollout to directly rolling back deployments #70039
• Move ReplicaSet, Deployment, Daemonset internal types to apps package - move internal apps API types out of extensions package #70028
• CustomMetricTarget should migrate to autoscaling (@kubernetes/sig-scalability-feature-requests @mwielgus) appears unused
• ThirdPartyResource should migrate to apiextensions (@kubernetes/sig-api-machinery-misc @deads2k) CustomResourceDefinitions enhancements#95
• Deployment should migrate to apps (@kubernetes/sig-apps-feature-requests @soltysh) - done in Add apps/v1beta1 deployments with new defaults #39683
• DaemonSet should migrate to apps (@kubernetes/sig-apps-feature-requests @janetkuo)
• ReplicaSet should migrate to apps (@kubernetes/sig-apps-feature-requests)
• PodSecurityPolicy should migrate to policy (@kubernetes/sig-auth-feature-requests @pweil-)
• NetworkPolicy should migrate to network (@kubernetes/sig-network-feature-requests)