Hello, AWS CloudShell's compute environment, which is currently based on Amazon Linux 2 (AL2), is scheduled to begin migration to Amazon Linux 2023 (AL2023) starting December 4, 2023. The migration will be performed on a Region by Region basis and will be completed by December 14, 2023. There will be no down time as a result of this migration. For more information on how to prepare for the migration, please refer to the AWS CloudShell User Guide [1]. If you have any questions or concerns, contact AWS Support on AWS re:Post [2] or via AWS Premium Support [3]. [1] https://docs.aws.amazon.com/cloudshell/latest/userguide/cloudshell-AL2023-mi... [2] https://repost.aws/tags/TA5ZaPf1NkT4uNitnWVitlyQ/aws-cloudshell [3] https://aws.amazon.com/support Sincerely, Amazon Web Services Amazon Web Services, Inc. is a subsidiary of Amazon.com, Inc. Amazon.com is a registered trademark of Amazon.com, Inc. This message was produced and distributed by Amazon Web Services Inc., 410 Terry Ave. North, Seattle, WA 98109-5210 --- Reference: https://phd.aws.amazon.com/phd/home?region=us-east-1#/event-log?eventID=arn:...