Any way to view list of user's past submitted flags?

Feature
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6

This feature has existed for quite a while:

The image is a screenshot of the WordPress editor's status menu. (Captioned by AI)
The image is a screenshot of the WordPress editor's status menu. (Captioned by AI)327×1206 35.5 KB

From the /review page you can select “User”.

Additionally admins and mods have this linked from the user summary page.