See CPLABS-2081:

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In the OCP Operator Update Information Checker lab, when selecting quay operator, Upgrade Path '4.12 to 4.14' or '4.14 to 4.15', all of the quay operators channels from stable-3.4 to stable 3.11 are listed.

https://access.redhat.com/labs/ocpouic/?operator=quay&&upgrade_path=4.14%20to%204.15

However, from the support policy below, OCP 4.14 only support quay 3.10 and 3.11.

https://access.redhat.com/support/policy/updates/openshift_operators

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When we finalized the move to Konflux, we can use File-based catalogs to correct this for the existing released versions.