Confluent change history: Elevated error rates and latency on produce and consume operations on AWS us-east-1 AZ4

Confluent Cloud reported a major incident affecting produce/consume operations in AWS us-east-1 AZ4, with elevated errors, latency and lingering connectivity issues. It started 2026-05-08 01:14 UTC and resolved 2026-06-04 16:47 UTC, lasting 27 days 15 h. Confluent attributed the initial impact to EC2 power loss during a thermal event and confirmed full operation at resolution.