This looks inspired by the work Snowflake did with their now FOSS Polaris[1]. Great to see more innovation in the space.

I had a quick look through the documentation[2], and it looks like it's not API compatible with the Apache Iceberg REST Catalog spec, which is somewhat dissapointing.

[1] https://github.com/apache/polaris [2] https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-tab...