Merge pull request kubernetes#4209 from ardaguclu/kep-3638-beta

KEP-3638: Promotes plugin subcommand resolution to beta

Author: k8s-ci-robot

keps/prod-readiness/sig-cli/3638.yaml

@@ -1,3 +1,5 @@
 kep-number: 3638
 alpha:
   approver: "@johnbelamaric"
+beta:
+  approver: "@johnbelamaric"

keps/sig-cli/3638-kubectl-plugin-subcommands/README.md

@@ -274,11 +274,13 @@ in back-to-back releases.
 
 - Gather feedback from developers and surveys
 - Add integration tests
-- Enable shadowing for all non-existent subcommands
+- set `KUBECTL_ENABLE_CMD_SHADOW` environment variable to true as default.
 
 #### GA
 
 - Add e2e test
+- Remove `KUBECTL_ENABLE_CMD_SHADOW` environment variable
+- Enable shadowing for all non-existent subcommands
 
 ### Upgrade / Downgrade Strategy
 
@@ -668,6 +670,7 @@ For each of them, fill in the following information by copying the below templat
 
 ## Implementation History
 The KEP was proposed on 2022-10-22
+The KEP was promoted to beta on 2023-10-02
 <!--
 Major milestones in the lifecycle of a KEP should be tracked in this section.
 Major milestones might include:

keps/sig-cli/3638-kubectl-plugin-subcommands/kep.yaml

@@ -16,13 +16,13 @@ approvers:
   - "@KnVerey"
   - "@soltysh"
 
-stage: alpha
+stage: beta
 
-latest-milestone: "v1.27"
+latest-milestone: "v1.29"
 
 milestone:
   alpha: "v1.27"
-  beta: "v1.28"
-  stable: "v1.29"
+  beta: "v1.29"
+  stable: "v1.30"
 
 disable-supported: true