Notification From Report - I created one, but How?

Don't ask me how, but I somehow created a Notification from a Report. While this is exactly what I want to do, I understand that this is not normally possible. Am I right or wrong about this? Not only can I not create more Reports, I can't find my original Report (which was a Test) to turn it off.

Were they maybe testing a beta feature in mid January 2021 that would have made this possible?

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