OpenShift Documentation Link: 

https://docs.openshift.com/container-platform/4.15/service_mesh/v2x/servicemesh-release-notes.html#installing-the-gateway-api-crds

On the above official documentation link to install the CRDs, we currently have a very old version documented:

kubectl get crd gateways.gateway.networking.k8s.io || { kubectl kustomize "github.com/kubernetes-sigs/gateway-api/config/crd?ref=v0.4.0" | kubectl apply -f -; } 

The latest GatewayAPI CRDs are v1.2.0 not v0.4.0 as per the upstream Kubernetes documentation[2].

[2] https://gateway-api.sigs.k8s.io/guides/#:~:text=kubectl%20apply%20%2Df%20https%3A//github.com/kubernetes%2Dsigs/gateway%2Dapi/releases/download/v1.2.0/standard%2Dinstall.yaml

So, I would appreciate it if we please make changes in our official documentation to reflect the recent changes and be up to date.