Dremio change history: Intermittent Query Failures

Dremio reported major intermittent query failures starting 2023-09-07 15:50 UTC, believed limited to AWS projects created since Aug 17th, 2023, following a deployment. Fixes restored normal operation in US and European production environments; the incident was resolved at 2023-09-08 17:40 UTC after 25 h 50 min.