Hi @BrianJ,
I like to be proven wrong now and again. Just came across this article, thought I would share it with you.
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Also thought I would mentions Query Diagnostics here.
While Query Diagnostics is no longer in preview as of March 2020, you can expect to see more improvements and information about engine performance, firewall activity, and configurable outputs added to query diagnostics in future.
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and link to Monky Tools because this includes a TimeSleuth (to benchmark query refresh times)
Think we pretty much got all possibilities available at this time covered now…