Amazon Managed Service for Apache Flink now supports Apache Flink 1.18. This new version includes improvements to connectors including Amazon OpenSearch, Amazon DynamoDB, MongoDB, and improved watermark alignment and query performance. For a complete list of supported features, improvements, and bug fixes please see Amazon Managed Service for Apache Flink in our documentation. You can use in-place Apache Flink version upgrades to adopt the Apache Flink 1.18 runtime for a simple and faster upgrade to your existing application.
Source:: Amazon AWS