The GWC S3 BlobStore plugin [currently uses](https://github.com/GeoWebCache/geowebcache/blob/e55c0bc86e84f42ae5efe20dfd18dc4ceb411752/geowebcache/s3storage/pom.xml#L26) AWS SDK v1, which will be [unsupported starting Dec 31, 2025](https://aws.amazon.com/blogs/developer/announcing-end-of-support-for-aws-sdk-for-java-v1-x-on-december-31-2025/). It would be good to update to v2 of the AWS SDK.