Hi everyone, Following up on issue #2259 and the original draft in #2257 by Shawn (@CTTY), I've opened a unified PR implementing the ObjectStore S3 backend: https://github.com/apache/iceberg-rust/pull/3165
Summary of changes: - Re-based and modernized onto current main with object_store 0.13. - Supports s3://, s3a://, and s3n:// URL schemes with empty bucket validation. - Implemented zero-copy writes via WriteMultipart::put and concurrent stream deletes. - Added comprehensive unit tests for URL edge cases and FileIO/Storage serialization roundtrips. - All CI checks (lints, clippy, standalone crate publish validation, integration tests) are fully passing green. Per the CONTRIBUTING.md guidelines for larger contributions, I wanted to reach out here. If the community is happy with this direction, I’m excited to actively maintain this backend, address review feedback, and help expand support (e.g. GCS, Azure, and writer performance tuning) down the line. Would appreciate any thoughts or review from the Rust committers whenever you have bandwidth! Best regards, Sruhvx (@Sruhvx-jpg)
