For reference, the issue began at 13/12/2025, 02:43 UTC, and ended (last failure) at 19:43 UTC, 17 hours later.

We did nothing to alleviate the issue and the SQL Warehouse seemed to operate normally except when the issue began and concluded when there seems to have been less activity:

Microsoft has not reported any issues on their Power BI status page. Previously, we've been able to resolve a similar issue by switching from a serverless to classic warehouse, suggesting that indeed the issue lies with Databricks.