Hi Ryan Lee,
We have received an update from the internal team that a bug was introduced in the latest deployment of one of the platform apps on the SQL side, which has disrupted the functionality of Query Performance Insights. Currently, there is no mitigation available, and the internal team is working on a fix.
The only available mitigation is to collect the necessary data directly from the query store on the database.
Hope this helps. Do let us know if you any further queries.
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