ocp 4.14.15 is published as release Status stable channel, but when looking for the recommended upgrade versions for a 4.14.0 release, it is missing from the list     

[kni@ocp-edge119 ~]$ oc version
Client Version: 4.14.0
Kustomize Version: v5.0.1
Server Version: 4.14.0
Kubernetes Version: v1.27.6+f67aeb3
[kni@ocp-edge119 ~]$ 

happens all the time     

    1.deploy a 4.14.0 ga version, I was using this job:
https://auto-jenkins-csb-kniqe.apps.ocp-c1.prod.psi.redhat.com/job/ocp-baremetal-ipi-deployment/28608/parameters/

    2. check the recomended upgrade versions list: 
    [kni@ocp-edge119 ~]$ oc adm upgrade

    

  [kni@ocp-edge119 ~]$ oc adm upgrade
Cluster version is 4.14.0Upstream is unset, so the cluster will use an appropriate default.
Channel: stable-4.14 (available channels: candidate-4.14, candidate-4.15, eus-4.14, fast-4.14, fast-4.15, stable-4.14)Recommended updates:  VERSION     IMAGE
  4.14.14     quay.io/openshift-release-dev/ocp-release@sha256:d8e8ed089a72fe100fb48f56c1a777fcd985fd81ee96cc1ec2f349a625097621
  4.14.13     quay.io/openshift-release-dev/ocp-release@sha256:ff004c122db9d494abedc1630ef5e2e535cc4529b3450ff58aaacf6b6cbba30c
  4.14.12     quay.io/openshift-release-dev/ocp-release@sha256:671bc35e8fc2027d6f4c2c756d19909d83d55d1c591e8f9ea790ec8da744d171
  4.14.11     quay.io/openshift-release-dev/ocp-release@sha256:36783a8b066c96dd6258e818ce51b5a763438adbf56221ea5c4b62ae4f345886
  4.14.10     quay.io/openshift-release-dev/ocp-release@sha256:03cc63c0c48b2416889e9ee53f2efc2c940323c15f08384b439c00de8e66e8aa
  4.14.9      quay.io/openshift-release-dev/ocp-release@sha256:f5eaf0248779a0478cfd83f055d56dc7d755937800a68ad55f6047c503977c44
  4.14.8      quay.io/openshift-release-dev/ocp-release@sha256:073a4e46289be25e2a05f5264c8f1d697410db66b960c9ceeddebd1c61e58717
  4.14.7      quay.io/openshift-release-dev/ocp-release@sha256:a346fc0c84644e64c726013a98bef0f75e58f246fce1faa83fb6bbbc6d4050aa
  4.14.6      quay.io/openshift-release-dev/ocp-release@sha256:e5128c3b0ab225e0abf9344dae504e08b82dda4885bbd047e2dbc13cc3d9879b
  4.14.5      quay.io/openshift-release-dev/ocp-release@sha256:0ec9d715c717b2a592d07dd83860013613529fae69bc9eecb4b2d4ace679f6f3
  4.14.4      quay.io/openshift-release-dev/ocp-release@sha256:e6e1d90b492d50438034e6edb46bdafa6c86ae3b80ef3328685912d89681fdee
  4.14.3      quay.io/openshift-release-dev/ocp-release@sha256:e73ab4b33a9c3ff00c9f800a38d69853ca0c4dfa5a88e3df331f66df8f18ec55
  4.14.2      quay.io/openshift-release-dev/ocp-release@sha256:45a396b169974dcbd8aae481c647bf55bcf9f0f8f6222483d407d7cec450928d
  4.14.1      quay.io/openshift-release-dev/ocp-release@sha256:05ba8e63f8a76e568afe87f182334504a01d47342b6ad5b4c3ff83a2463018bd
[kni@ocp-edge119 ~]$ 
  

4.14.15 is officially published as stable:
https://openshift-release.apps.ci.l2s4.p1.openshiftapps.com/#:~:text=4.14.15,5%20days%20ago