Some operator packagemanifests missing in 4.20.0-ec.6, while they were available in 4.20.0-ec.5 by default. 

    4.20.0-ec.6

     Always

    Install ocp 4.20.0-ec.6 and check packagemanifest.

   with 4.20.0-ec.6

 [root@bastion ~]# oc get packagemanifest
NAME                                             CATALOG               AGE
prometheus                                       Community Operators   99m
observability-operator                           Community Operators   99m
netobserv-operator                               Community Operators   99m
nexus-repository-ha-operator-certified           Certified Operators   99m
mercury-operator                                 Community Operators   99m
application-services-metering-operator           Community Operators   99m
nxiq-operator-certified                          Certified Operators   99m
servicemeshoperator3                             Red Hat Operators     99m
mongodb-atlas-kubernetes                         Community Operators   99m
prometurbo                                       Community Operators   99m
anzounstructured-operator-rhmp                   Red Hat Marketplace   99m
dns-operator                                     Red Hat Operators     99m
node-maintenance-operator                        Community Operators   99m
datatrucker-operator                             Community Operators   99m
hnas-csi-operator                                Certified Operators   99m
airflow-helm-operator                            Community Operators   99m
analytics-operator                               Community Operators   99m
model-builder-for-vision-certified-rhmp          Red Hat Marketplace   99m
openshift-cert-manager-operator                  Red Hat Operators     99m
datadog-operator-certified                       Certified Operators   99m
rhoas-operator                                   Community Operators   99m
ack-eventbridge-controller                       Community Operators   99m
community-windows-machine-config-operator        Community Operators   99m
ack-emrcontainers-controller                     Community Operators   99m
nexus-operator                                   Community Operators   99m
oadp-operator                                    Community Operators   99m
odf-operator                                     Red Hat Operators     99m
universal-crossplane                             Community Operators   99m
cert-utils-operator                              Community Operators   99m
eclipse-che                                      Community Operators   99m
ack-iam-controller                               Community Operators   99m
hazelcast-platform-operator                      Community Operators   99m
openshiftartifactoryha-operator                  Certified Operators   99m
mta-operator                                     Red Hat Operators     99m
anzo-operator                                    Certified Operators   99m
sigstore-helm-operator                           Community Operators   99m
community-trivy-operator                         Community Operators   99m
konveyor-operator                                Community Operators   99m
aerospike-kubernetes-operator-rhmp               Red Hat Marketplace   99m
infoscale-sds-operator                           Certified Operators   99m
ack-sfn-controller                               Community Operators   99m
rhacs-operator                                   Red Hat Operators     99m
istio-workspace-operator                         Community Operators   99m
syndesis                                         Community Operators   99m
kogito-operator                                  Community Operators   99m
red-hat-camel-k                                  Red Hat Operators     99m
ack-athena-controller                            Community Operators   99m
ack-networkfirewall-controller                   Community Operators   99m
infoscale-dr-manager                             Certified Operators   99m
cryostat-operator                                Red Hat Operators     99m
self-node-remediation                            Red Hat Operators     99m
reportportal-operator                            Community Operators   99m
kubemq-operator-marketplace-rhmp                 Red Hat Marketplace   99m
template-operator                                Certified Operators   99m
ack-ecrpublic-controller                         Community Operators   99m
airlock-microgateway                             Certified Operators   99m
amq-streams                                      Red Hat Operators     99m
kube-green                                       Community Operators   99m
ibm-security-verify-access-operator              Certified Operators   99m
loki-operator                                    Red Hat Operators     99m
varnish-operator                                 Community Operators   99m
mongodb-kubernetes                               Certified Operators   99m
node-observability-operator                      Red Hat Operators     99m
quay-operator                                    Red Hat Operators     99m
must-gather-operator                             Community Operators   99m
project-quay                                     Community Operators   99m
recipe                                           Red Hat Operators     99m
limitador-operator                               Red Hat Operators     99m
grafana-operator                                 Community Operators   99m
mariadb-operator                                 Community Operators   99m
hive-operator                                    Community Operators   99m
runtime-component-operator-certified             Certified Operators   99m
gitwebhook-operator                              Community Operators   99m
nsm-operator                                     Community Operators   99m
aikit-operator-rhmp                              Red Hat Marketplace   99m
ansible-automation-platform-operator             Red Hat Operators     99m
3scale-operator                                  Red Hat Operators     99m
dns-operator                                     Community Operators   99m
amq-streams-console                              Red Hat Operators     99m
ack-opensearchservice-controller                 Community Operators   99m
dapr-kubernetes-operator                         Community Operators   99m
mongodb-enterprise                               Certified Operators   99m
rook-ceph-operator                               Red Hat Operators     99m
aws-efs-operator                                 Community Operators   99m
cluster-impairment-operator                      Community Operators   99m
ack-kinesis-controller                           Community Operators   99m
joget-dx-operator-rhmp                           Red Hat Marketplace   99m
linstor-operator                                 Certified Operators   99m
egressip-ipam-operator                           Community Operators   99m
ocm-operator                                     Community Operators   99m
ibm-security-verify-access-operator              Community Operators   99m
fossul-operator                                  Community Operators   99m
zabbix-operator-certified                        Certified Operators   99m
sriov-fec                                        Certified Operators   99m
patterns-operator                                Community Operators   99m
odf-dependencies                                 Red Hat Operators     99m
authorino-operator                               Red Hat Operators     99m
silicom-sts-operator                             Community Operators   99m
lightbits-operator                               Certified Operators   99m
ibm-application-gateway-operator                 Certified Operators   99m
amq-streams-proxy                                Red Hat Operators     99m
redis-operator                                   Community Operators   99m
hawtio-operator                                  Community Operators   99m
annotationlab                                    Community Operators   99m
fence-agents-remediation                         Community Operators   99m
dynatrace-operator-rhmp                          Red Hat Marketplace   99m
service-binding-operator                         Community Operators   99m
apicurito                                        Community Operators   99m
skupper-operator                                 Community Operators   99m
pachyderm-operator-rhmp                          Red Hat Marketplace   99m
container-security-operator                      Red Hat Operators     99m
susql-operator                                   Community Operators   99m
coherence-operator                               Community Operators   99m
ack-kms-controller                               Community Operators   99m
ack-sqs-controller                               Community Operators   99m
etcd                                             Community Operators   99m
infoscale-licensing-operator                     Certified Operators   99m
kernel-module-management                         Red Hat Operators     99m
fuse-apicurito                                   Red Hat Operators     99m
instana-agent-operator                           Certified Operators   99m
kubearmor-operator-certified                     Certified Operators   99m
netscaler-operator                               Certified Operators   99m
nginx-ingress-operator                           Certified Operators   99m
open-liberty-certified                           Certified Operators   99m
wandb-operator                                   Community Operators   99m
limitador-operator                               Community Operators   99m
netscaler-adm-agent-operator                     Certified Operators   99m
lbconfig-operator                                Community Operators   99m
ncn-operator                                     Community Operators   99m
opentelemetry-operator                           Community Operators   99m
tagger                                           Community Operators   99m
ipfs-operator                                    Community Operators   99m
oci-ccm-operator                                 Community Operators   99m
sosivio                                          Community Operators   99m
linstor-operator-rhmp                            Red Hat Marketplace   99m
ack-ec2-controller                               Community Operators   99m
ack-keyspaces-controller                         Community Operators   99m
gitops-primer                                    Community Operators   99m
dbaas-operator                                   Community Operators   99m
openebs                                          Community Operators   99m
joget-dx8-operator-rhmp                          Red Hat Marketplace   99m
ocs-client-operator                              Red Hat Operators     99m
devworkspace-operator                            Red Hat Operators     99m
sandboxed-containers-operator                    Red Hat Operators     99m
ack-cloudwatch-controller                        Community Operators   99m
openshift-gitops-operator                        Red Hat Operators     99m
volume-expander-operator                         Community Operators   99m
rhcl-operator                                    Red Hat Operators     99m
korrel8r                                         Community Operators   99m
proactive-node-scaling-operator                  Community Operators   99m
cephcsi-operator                                 Red Hat Operators     99m
rhsso-operator                                   Red Hat Operators     99m
node-healthcheck-operator                        Red Hat Operators     99m
openshift-nfd-operator                           Community Operators   99m
group-sync-operator                              Community Operators   99m
elasticsearch-eck-operator-certified             Certified Operators   99m
cxl-operator                                     Community Operators   99m
ack-ecs-controller                               Community Operators   99m
fujitsu-enterprise-postgres-operator             Certified Operators   99m
prometurbo-certified                             Certified Operators   99m
costmanagement-metrics-operator                  Red Hat Operators     99m
machine-deletion-remediation                     Red Hat Operators     99m
bpfman-operator                                  Community Operators   99m
logging-operator                                 Community Operators   99m
l5-operator                                      Community Operators   99m
anzo-operator-rhmp                               Red Hat Marketplace   99m
hpe-ezmeral-csi-operator                         Certified Operators   99m
cincinnati-operator                              Red Hat Operators     99m
ack-route53resolver-controller                   Community Operators   99m
ack-s3-controller                                Community Operators   99m
security-profiles-operator                       Red Hat Operators     99m
quay-bridge-operator                             Red Hat Operators     99m
openshift-qiskit-operator                        Community Operators   99m
hcp-terraform-operator                           Certified Operators   99m
ack-efs-controller                               Community Operators   99m
trustify-operator                                Community Operators   99m
rabbitmq-messaging-topology-operator             Community Operators   99m
argocd-operator                                  Community Operators   99m
pubsubplus-eventbroker-operator                  Certified Operators   99m
cluster-logging                                  Red Hat Operators     99m
rhdh                                             Red Hat Operators     99m
ack-secretsmanager-controller                    Community Operators   99m
apicurio-api-controller                          Community Operators   99m
pubsubplus-eventbroker-operator                  Community Operators   99m
strimzi-kafka-operator                           Community Operators   99m
kubecost-operator                                Certified Operators   99m
accuknox-operator-certified                      Certified Operators   99m
apicast-operator                                 Red Hat Operators     99m
file-integrity-operator                          Red Hat Operators     99m
sonataflow-operator                              Community Operators   99m
ack-prometheusservice-controller                 Community Operators   99m
ack-applicationautoscaling-controller            Community Operators   99m
marketplace-games-operator-rhmp                  Red Hat Marketplace   99m
mariadb-enterprise-operator                      Certified Operators   99m
openshift-pipelines-operator-rh                  Red Hat Operators     99m
multicluster-global-hub-operator                 Community Operators   99m
vcp-operator                                     Certified Operators   99m
fuse-online                                      Red Hat Operators     99m
ibm-spectrum-scale-csi-operator                  Community Operators   99m
appdynamics-operator                             Certified Operators   99m
t8c-certified                                    Certified Operators   99m
amq-broker-rhel9                                 Red Hat Operators     99m
ack-cloudtrail-controller                        Community Operators   99m
instana-agent-operator-rhmp                      Red Hat Marketplace   99m
datadog-operator                                 Community Operators   99m
function-mesh                                    Certified Operators   99m
ansible-cloud-addons-operator                    Red Hat Operators     99m
apicurio-registry-3                              Red Hat Operators     99m
ack-lambda-controller                            Community Operators   99m
sap-commerce-operator                            Community Operators   99m
odr-cluster-operator                             Red Hat Operators     99m
red-hat-hawtio-operator                          Red Hat Operators     99m
ndb-operator                                     Community Operators   99m
anzograph-operator-rhmp                          Red Hat Marketplace   99m
datadog-operator-certified-rhmp                  Red Hat Marketplace   99m
sosreport-operator                               Community Operators   99m
k8gb                                             Community Operators   99m
ack-elasticache-controller                       Community Operators   99m
machine-deletion-remediation                     Community Operators   99m
entando-k8s-operator-rhmp                        Red Hat Marketplace   99m
serverless-operator                              Red Hat Operators     99m
pulp-operator                                    Community Operators   99m
ovms-operator-rhmp                               Red Hat Marketplace   99m
ack-acmpca-controller                            Community Operators   99m
ack-codeartifact-controller                      Community Operators   99m
patch-operator                                   Community Operators   99m
awss3-operator-registry                          Community Operators   99m
3scale-community-operator                        Community Operators   99m
community-kubevirt-hyperconverged                Community Operators   99m
starburst-enterprise-helm-operator-rhmp          Red Hat Marketplace   99m
ack-ssm-controller                               Community Operators   99m
ack-wafv2-controller                             Community Operators   99m
tempo-operator                                   Community Operators   99m
flink-kubernetes-operator                        Community Operators   99m
loki-operator                                    Community Operators   99m
openshift-secondary-scheduler-operator           Red Hat Operators     99m
ack-sns-controller                               Community Operators   99m
ibmcloud-operator                                Community Operators   99m
aerospike-kubernetes-operator                    Community Operators   99m
cfm-operator                                     Certified Operators   99m
synaxg-operator                                  Certified Operators   99m
namespace-configuration-operator                 Community Operators   99m
infinispan                                       Community Operators   99m
hyperfoil-bundle                                 Community Operators   99m
ack-kafka-controller                             Community Operators   99m
tawon-operator                                   Certified Operators   99m
vmstore-csi-driver-operator                      Certified Operators   99m
compliance-operator                              Red Hat Operators     99m
ack-recyclebin-controller                        Community Operators   99m
vault-config-operator                            Community Operators   99m
debezium-operator                                Community Operators   99m
kiali-ossm                                       Red Hat Operators     99m
ecr-secret-operator                              Community Operators   99m
edp-keycloak-operator                            Community Operators   99m
digitalai-deploy-operator                        Certified Operators   99m
dpu-network-operator                             Red Hat Operators     99m
odf-multicluster-orchestrator                    Red Hat Operators     99m
datagrid                                         Red Hat Operators     99m
cert-manager                                     Community Operators   99m
netapp-spark-operator                            Certified Operators   99m
service-registry-operator                        Red Hat Operators     99m
klusterlet                                       Community Operators   99m
sap-data-intelligence-observer-operator          Community Operators   99m
camel-k                                          Community Operators   99m
xcrypt-operator-rhmp                             Red Hat Marketplace   99m
ack-cloudwatchlogs-controller                    Community Operators   99m
ack-rds-controller                               Community Operators   99m
multicluster-operators-subscription              Community Operators   99m
neuvector-certified-operator                     Certified Operators   99m
cilium-enterprise                                Certified Operators   99m
logic-operator-rhel8                             Red Hat Operators     99m
cluster-manager                                  Community Operators   99m
ack-acm-controller                               Community Operators   99m
percona-xtradb-cluster-operator                  Community Operators   99m
aqua                                             Community Operators   99m
sap-hana-express-operator                        Community Operators   99m
cass-operator                                    Certified Operators   99m
aqua-operator-certified                          Certified Operators   99m
cte-k8s-operator                                 Certified Operators   99m
ember-csi-community-operator                     Community Operators   99m
aiu-operator                                     Certified Operators   99m
cloudera-streams-messaging-kubernetes-operator   Certified Operators   99m
prometheus-exporter-operator                     Community Operators   99m
eginnovations-operator                           Community Operators   99m
ack-pipes-controller                             Community Operators   99m
resource-locker-operator                         Community Operators   99m
external-secrets-operator                        Community Operators   99m
skupper-netobs-operator                          Red Hat Operators     99m
pcc-operator                                     Community Operators   99m
authorino-operator                               Community Operators   99m
k10-kasten-operator-rhmp                         Red Hat Marketplace   99m
intel-device-plugins-operator                    Certified Operators   99m
snyk-operator                                    Community Operators   99m
keda                                             Community Operators   99m
cockroachdb                                      Community Operators   99m
apicurio-registry                                Community Operators   99m
raftt-operator                                   Certified Operators   99m
eginnovations-operator                           Certified Operators   99m
mtr-operator                                     Red Hat Operators     99m
rh-service-binding-operator                      Red Hat Operators     99m
fuse-console                                     Red Hat Operators     99m
mtc-operator                                     Red Hat Operators     99m
cluster-aas-operator                             Community Operators   99m
flux                                             Community Operators   99m
kubemq-operator-marketplace                      Certified Operators   99m
tvo-operator                                     Certified Operators   99m
amq7-interconnect-operator                       Red Hat Operators     99m
github-arc-operator                              Community Operators   99m
kubecost                                         Community Operators   99m
hedvig-operator                                  Community Operators   99m
vfunction-server-operator-rhmp                   Red Hat Marketplace   99m
web-terminal                                     Red Hat Operators     99m
horreum-operator                                 Community Operators   99m
node-healthcheck-operator                        Community Operators   99m
seldon-deploy-operator-rhmp                      Red Hat Marketplace   99m
ack-eks-controller                               Community Operators   99m
apimatic-kubernetes-operator                     Community Operators   99m
ack-ram-controller                               Community Operators   99m
lib-bucket-provisioner                           Community Operators   99m
bamoe-businessautomation-operator                Red Hat Operators     99m
pelorus-operator                                 Community Operators   99m
beegfs-csi-driver-operator                       Community Operators   99m
automotive-infra                                 Community Operators   99m
t8c-tsc-client-certified                         Certified Operators   99m
skupper-operator                                 Red Hat Operators     99m
starburst-enterprise-helm-operator-paygo-rhmp    Red Hat Marketplace   99m
nvidia-maintenance-operator                      Certified Operators   99m
run-once-duration-override-operator              Red Hat Operators     99m
amq-online                                       Red Hat Operators     99m
servicemeshoperator                              Red Hat Operators     99m
dynatrace-operator                               Community Operators   99m
openshift-node-upgrade-mutex-operator            Community Operators   99m
businessautomation-operator                      Red Hat Operators     99m
kernel-module-management-hub                     Red Hat Operators     99m
ack-elbv2-controller                             Community Operators   99m
integrity-shield-operator                        Community Operators   99m
hazelcast-platform-operator                      Certified Operators   99m
kubeturbo-certified                              Certified Operators   99m
ack-ses-controller                               Community Operators   99m
ack-opensearchserverless-controller              Community Operators   99m
tidb-operator                                    Community Operators   99m
cluster-kube-descheduler-operator                Red Hat Operators     99m
ack-dynamodb-controller                          Community Operators   99m
kubernetes-imagepuller-operator                  Community Operators   99m
jaeger                                           Community Operators   99m
vault-secrets-operator                           Certified Operators   99m
hibernation-operator                             Certified Operators   99m
ocs-operator                                     Red Hat Operators     99m
socmmd                                           Community Operators   99m
keycloak-permissions-operator                    Community Operators   99m
iomesh-operator-rhmp                             Red Hat Marketplace   99m
apicurio-registry-3                              Community Operators   99m
ack-bedrockagent-controller                      Community Operators   99m
azure-service-operator                           Community Operators   99m
move2kube-operator                               Community Operators   99m
mongodb-atlas-kubernetes                         Certified Operators   99m
devopsinabox                                     Community Operators   99m
neuvector-community-operator                     Community Operators   99m
tenant-operator                                  Certified Operators   99m
ack-organizations-controller                     Community Operators   99m
ack-route53-controller                           Community Operators   99m
keysight-loadcore-agents                         Certified Operators   99m
conjur-follower-operator                         Certified Operators   99m
jws-operator                                     Red Hat Operators     99m
mongodb-operator                                 Community Operators   99m
redhat-oadp-operator                             Red Hat Operators     99m
lvms-operator                                    Red Hat Operators     99m
external-dns-operator                            Red Hat Operators     99m
kuadrant-operator                                Community Operators   99m
keycloak-operator                                Community Operators   99m
netai-demo-operator                              Certified Operators   99m
rhbk-operator                                    Red Hat Operators     99m
ripsaw                                           Community Operators   99m
seldon-operator                                  Community Operators   99m
sailoperator                                     Community Operators   99m
t8c                                              Community Operators   99m
kubeturbo-certified-rhmp                         Red Hat Marketplace   99m
netobserv-operator                               Red Hat Operators     99m
fence-agents-remediation                         Red Hat Operators     99m
tf-controller                                    Community Operators   99m
nfs-provisioner-operator                         Community Operators   99m
alvearie-imaging-ingestion                       Community Operators   99m
global-load-balancer-operator                    Community Operators   99m
assisted-service-operator                        Community Operators   99m
falcon-operator                                  Certified Operators   99m
eap                                              Red Hat Operators     99m
microcks                                         Community Operators   99m
timemachine-operator-rhmp                        Red Hat Marketplace   99m
abinitio-runtime-operator                        Certified Operators   99m
nim-operator-certified                           Certified Operators   99m
ack-cloudfront-controller                        Community Operators   99m
nlp-server                                       Community Operators   99m
apicast-community-operator                       Community Operators   99m
neuvector-certified-operator-rhmp                Red Hat Marketplace   99m
windup-operator                                  Community Operators   99m
devspaces                                        Red Hat Operators     99m
loki-helm-operator                               Community Operators   99m
odf-prometheus-operator                          Red Hat Operators     99m
mtv-operator                                     Red Hat Operators     99m
odf-csi-addons-operator                          Red Hat Operators     99m
ack-glue-controller                              Community Operators   99m
snapscheduler                                    Community Operators   99m
rhods-prometheus-operator                        Red Hat Operators     99m
codeflare-operator                               Community Operators   99m
deployment-validation-operator                   Community Operators   99m
eventing-kogito                                  Community Operators   99m
openshift-fusion-access-operator                 Certified Operators   99m
cluster-observability-operator                   Red Hat Operators     99m
victoriametrics-operator                         Community Operators   99m
abot-operator-rhmp                               Red Hat Marketplace   99m
digitalai-release-operator                       Certified Operators   99m
mcg-operator                                     Red Hat Operators     99m
layer7-operator                                  Community Operators   99m
camel-karavan-operator                           Community Operators   99m
amq-broker-rhel8                                 Red Hat Operators     99m
odoo-operator                                    Community Operators   99m
self-node-remediation                            Community Operators   99m
eclipse-amlen-operator                           Community Operators   99m
anzograph-operator                               Certified Operators   99m
yaks                                             Community Operators   99m
spark-helm-operator                              Community Operators   99m
koku-metrics-operator                            Community Operators   99m
ack-s3control-controller                         Community Operators   99m
kubeturbo                                        Community Operators   99m
operator-certification-operator                  Certified Operators   99m
gatekeeper-operator-product                      Red Hat Operators     99m
ack-sagemaker-controller                         Community Operators   99m
multi-nic-cni-operator                           Community Operators   99m
appdynamics-cloud-operator                       Certified Operators   99m
sonar-operator                                   Community Operators   99m
dynatrace-operator                               Certified Operators   99m
tang-operator                                    Red Hat Operators     99m
falcon-operator                                  Community Operators   99m
marin3r                                          Community Operators   99m
odigos-operator                                  Certified Operators   99m
rhpam-kogito-operator                            Red Hat Operators     99m
kubevirt-hyperconverged                          Red Hat Operators     99m
ack-apigateway-controller                        Community Operators   99m
yugabyte-platform-operator-bundle-rhmp           Red Hat Marketplace   99m
t8c-certified-rhmp                               Red Hat Marketplace   99m
aws-load-balancer-operator                       Red Hat Operators     99m
ack-memorydb-controller                          Community Operators   99m
ack-cognitoidentityprovider-controller           Community Operators   99m
activemq-artemis-operator                        Community Operators   99m
verticadb-operator                               Community Operators   99m
coroot-operator                                  Certified Operators   99m
tigera-operator                                  Certified Operators   99m
ndmspc-operator                                  Community Operators   99m
ack-apigatewayv2-controller                      Community Operators   99m
aci-containers-operator                          Certified Operators   99m
bamoe-kogito-operator                            Red Hat Operators     99m
alloydb-omni-operator                            Community Operators   99m
node-discovery-operator                          Community Operators   99m
odr-hub-operator                                 Red Hat Operators     99m
ack-ecr-controller                               Community Operators   99m
keepalived-operator                              Community Operators   99m
harness-gitops-operator                          Certified Operators   99m
ack-mq-controller                                Community Operators   99m
zabbix-operator-certified-rhmp                   Red Hat Marketplace   99m
cloudbees-ci-rhmp                                Red Hat Marketplace   99m
node-maintenance-operator                        Red Hat Operators     99m
cass-operator-community                          Community Operators   99m
ack-documentdb-controller                        Community Operators   99m
ucs-ci-solutions-operator                        Community Operators   99m
nexus-operator-m88i                              Community Operators   99m
flux                                             Red Hat Marketplace   99m
anzounstructured-operator                        Certified Operators   99m
customized-user-remediation                      Community Operators   99m
special-resource-operator                        Community Operators   99m
[root@bastion ~]# 

Include the missed packagemanifest. Attaching the 4.20.0-ec.5 packagemanifests in the comments due to text limit.

   Some of the missing operator packagemanifest: local-storage-operator, kubernetes-nmstate-operator, vertical-pod-autoscaler...etc