The wait is now over you can try the new cool features of the Summer’21 release because the pre-release org is now available. With a pre-release org, you can build and develop with the latest Developer edition features without worrying about affecting your real-world data or workflow.
I also find some cool features/enhancements of Salesforce flow which include the new Element Collection Sort & IsChanged Operator check them out below.
Collection Sort in Salesforce Flow:
IsChanged Operator in Salesforce Flow:
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