Explanation
History Utility in the Utility bar is a feature that can enable service agents to share links to recently opened subtabs with other users to swarm on cases. History Utility is a tool that allows agents to view their recently accessed records or tabs in the service console. History Utility can help agents quickly return to a prior case and copy the URL of the subtab to share with other users. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.console2_history_overview.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.console2_history_share.htm&type=5