Enhancement Description

• One-line enhancement description (can be used as a release note): Allow special characters in environment variables
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/4369-allow-special-characters-environment-variable/README.md
• Discussion Link: Environment variables containing colon not allowed kubernetes#53201
• Primary contact (assignee): @HirazawaUi
• Responsible SIGs:
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y): 1.30
  • Beta release target (x.y): 1.32
  • Stable release target (x.y): 1.34
• Alpha
  • KEP (k/enhancements) update PR(s):
    • Allow almost all printable ASCII characters in environment variables #4373
    • KEP-4396: promote kep into implementable #4482
  • Code (k/k) update PR(s):
    • Allow almost all printable ASCII characters in environment variables kubernetes#123385
  • Docs (k/website) update PR(s):
    • Document option to allow almost all printable ASCII characters in environment variables website#45125
• Beta
  • KEP (k/enhancements) update PR(s):
    • KEP-4369: Promote to beta (allow ~all ASCII characters in env vars) #4805
  • Code (k/k) update PR(s):
    • KEP-4369: promote RelaxedEnvironmentVariableValidation feature gate to beta kubernetes#126897
  • Docs (k/website) update(s):
    • Promote RelaxedEnvironmentVariableValidation to beta website#47663
• Stable
  • KEP (k/enhancements) update PR(s):
    • KEP-4369: Promote to GA (allow ~all ASCII characters in env vars) #5364
  • Code (k/k) update PR(s):
    • [KEP-4369]: Graduate RelaxedEnvironmentVariableValidation to GA kubernetes#132054
  • Docs (k/website) update(s):
    • Add documentation for graduating the RelaxedEnvironmentVariableValidation to GA. website#51416

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.