controllers/flinkcluster/flinkcluster_reconciler.go (4 lines):
	- line 451: // TODO: Record event or introduce Condition in CRD status to notify update state pended.
	- line 646: // TODO: Not to delete the job submitter immediately, and retain the latest ones for inspection.
	- line 758: // TODO: spec.job.cancelRequested will be deprecated
	- line 765: // TODO: spec.job.savepointGeneration will be deprecated


controllers/flinkcluster/flinkcluster_updater.go (3 lines):
	- line 739: // TODO: It would be ideal to set the times with the timestamp retrieved from the Flink API like /jobs/{job-id}.
	- line 793: // TODO: SavepointTime should be set with the timestamp generated in job manager.
	- line 1026: // TODO: Record event or introduce Condition in CRD status to notify update state pended.


controllers/flinkcluster/flinkcluster_converter.go (2 lines):
	- line 1065: // TODO: Validating webhook should verify hostFormat
	- line 1404: // TODO: Wouldn't it be better to create a file, put it in an operator image, and read from them?.


controllers/flinkcluster/flinkcluster_observer.go (1 line):
	- line 726: // TODO: default limit


apis/flinkcluster/v1beta1/flinkcluster_types.go (1 line):
	- line 420: // TODO: Memory calculation would be change. Let's watch the issue FLINK-13980.