2.2.8 (May 20, 2025)

Fixes

• Wait for next heartbeat in thread loop; check for connected coordinator (#2622)
• Acquire client lock in heartbeat thread before sending requests (#2620)

Logging / Error Messages

• Log all SyncGroupResponse errors as info+
• More coordinator / heartbeat logging (#2621)
• Fix timeout seconds error message in KafkaProducer (#2627)
• Update offset commit error handling; use RebalanceInProgressError if applicable (#2623)