Versioning of Custom Resource Definition (CRD)

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Cluster information:

Kubernetes version: v1.21.4+rke2r1
Cloud being used: bare-metal
Installation method: rke2 installer scripts
Host OS: ubuntu 20.04

I have general question on the versioning of CRD -

sorted version list:

- v10
- v2
- v1
- v11beta2
- v10beta3
- v3beta1
- v12alpha1
- v11alpha2
- foo1
- foo10

Why is v11alpha2 or v11beta2 < v10 ?
It’s v11alpha2 is dev build built on v10? I believe v11alpha2 will upgrade to v11.
Is it a mistake?