In Azure Data Factory, historical debug runs are now included as part of the monitoring experience. Go to the 'debug' tab to see all past pipeline debug runs.
You can also see what data flow debug sessions are currently active.in the 'Data flow debug' pane.
Additionally, now when running a debug run of a pipeline with a data flow, you can choose to spin up a new isolated just-in-time cluster or use the existing debug cluster.
For more information on how and when to use these features, check out the ADF iterative debugging documentation!
Updated Aug 31, 2020
Version 6.0