• Kombu 4.6.7
• Events bootstep disabled if no events (#5807)
• SQS - Reject on failure (#5843)
• Add a concurrency model with ThreadPoolExecutor (#5099)
• Add auto expiry for DynamoDB backend (#5805)
• Store extending result in all backends (#5661)
• Fix a race condition when publishing a very large chord header (#5850)
• Improve docs and test matrix