Looks like support for S3 Express was merged in with version 1.30 just a few hours ago https://github.com/awslabs/mountpoint-s3/pull/642 https://github.com/awsl

Looks like support for S3 Express was merged in with version 1.30 just a few hours ago https://github.com/awslabs/mountpoint-s3/pull/642 https://github.com/awslabs/mountpoint-s3/pull/642