The operator shows two CSVs, one being on Replacing status and the later one in Pending.

oc get csv
NAME                            DISPLAY                            VERSION               REPLACES                        PHASE
nfd.4.12.0-202402081808         Node Feature Discovery Operator    4.12.0-202402081808   nfd.4.11.0-202401291254         Replacing
nfd.4.12.0-202403241038         Node Feature Discovery Operator    4.12.0-202403241038   nfd.4.12.0-202402081808         Pending


For CSV nfd.4.12.0-202403241038 it shows:

error validating existing CRs against new CRD's schema for "nodefeaturediscoveries.nfd.openshift.io": error validating custom resource against new schema for NodeFeatureDiscovery openshift-nfd/nfd-instance: [[].status.conditions[0].reason: Invalid value: "": status.conditions[0].reason in body should be at least 1 chars long, [].status.conditions[1].reason: Invalid value: "": status.conditions[1].reason in body should be at least 1 chars long, [].status.conditions[2].reason: Invalid value: "": status.conditions[2].reason in body should be at least 1 chars long, [].status.conditions[3].reason: Invalid value: "": status.conditions[3].reason in body should be at least 1 chars long]

OCP 4.12.49

Not possible, because I couldnt get a specific old version of NDF to be able to run and have upgrade path.  

To have the automated upgrade to finish successfully    

Discussed here:
https://redhat-internal.slack.com/archives/C041X004KGB/p1712753506668379