Upgrading from v1.3 to v1.4
Removal of the cert-manager operator package on Red Hat Marketplace
v0.15 there has been a package for cert-manager on Red Hat Marketplace,
but this has now been removed because it was not maintained and was found to be unreliable:
It is replaced by a new package which is generated via the Community Operators Repository,
and which is therefore available on
OpenShift Container Platform and
Please uninstall the existing cert-manager package and re-install
by following the OLM Installation Documentation.
Now Follow the Regular Upgrade Process
From here on you can follow the regular upgrade process.