For detailed information on compatibility between IT Service Intelligence (ITSI) and Splunk Enterprise or Splunk Cloud, please reference the Compatibility Matrix
https://help.splunk.com/en/splunk-it-service-intelligence/splunk-it-service-intelligence/release-notes-and-resources/4.21/release-notes/new-features-in-splunk-it-service-intelligence
https://help.splunk.com/en/splunk-it-service-intelligence/splunk-it-service-intelligence/release-notes-and-resources/4.21/release-notes/fixed-issues-in-splunk-it-service-intelligence
https://help.splunk.com/en/splunk-it-service-intelligence/splunk-it-service-intelligence/release-notes-and-resources/4.21/release-notes/known-issues-in-splunk-it-service-intelligence
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