⚠️ Breaking Change
Impact Score: 7/10
MinIO: Major Feature Release
Source available — automated, not human-reviewed
Component: minio · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
Breaking-change evidence from the source
- Simplify putObject by not breaking the stream into parts (#7199) (05/14/19)
⚡ Executive Summary (TL;DR)
MinIO RELEASE.2019-05-14T23-57-45Z. Source highlight: MinIO server runs in high performance mode by turning off content-md5 sum calculation by default. See #7609 for more details. To run MinIO server in strict S3 compatibility mode, please start server with --compat flag.
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
⚠️ Breaking Changes & Deprecations (1)
- - Simplify putObject by not breaking the stream into parts (#7199) (05/14/19)
✨ New Features & Capabilities (2)
- Add connection close proactively for Walk() http/rpc (#7645) (05/14/19)
- Add API retry functionality in mc admin (#7602) (05/09/19)
⚡ Performance & Enhancements (3)
- MinIO server runs in high performance mode by turning off content-md5 sum calculation by default. See #7609 for more details. To run MinIO server in strict S3 compatibility mode, please start server with --compat flag.
- Major performance improvements in listing. See (#7611) for more details.
- Major performance improvements in bulk object deletes. See (#7607 and #7644) for more details.
🔧 Bug Fixes & Patches (3)
- Separate issue templates for bug report and feature requests (#7616) (05/07/19)
- Fix: Handle regression caused by gorilla mux v1.7.0 (#7625) (05/07/19)
- Fix listing empty directory in recursive mode (#7613) (05/06/19)
📄 View Raw Release Notes (Original Developer Log)
## Highlights
- MinIO server runs in high performance mode by turning off content-md5 sum calculation by default. See #7609 for more details. To run MinIO server in strict S3 compatibility mode, please start server with --compat flag.
- Major performance improvements in listing. See (#7611) for more details.
- Major performance improvements in bulk object deletes. See (#7607 and #7644) for more details.
## Changelog
- Add connection close proactively for Walk() http/rpc (#7645) (05/14/19)
- xl: Avoid possible race during bulk Multi Delete (#7644) (05/14/19)
- Offload listing to posix layer (#7611) (05/14/19)
- Simplify putObject by not breaking the stream into parts (#7199) (05/14/19)
- Implement bulk delete (#7607) (05/13/19)
- Remove duplicate checkPutObjectArgs in PutObject and (#7396) (05/13/19)
- Accept simpler response from OPA (#7637) (05/12/19)
- Sync before Close() to avoid random I/O (#7638) (05/11/19)
- Add API retry functionality in mc admin (#7602) (05/09/19)
- Turn off md5sum optionally if content-md5 is not set (#7609) (05/08/19)
- Separate issue templates for bug report and feature requests (#7616) (05/07/19)
- Deadcode removal (#7627) (05/07/19)
- On macOS avoid using GNU specific options (#7621) (05/07/19)
- Fix: Handle regression caused by gorilla mux v1.7.0 (#7625) (05/07/19)
- Fix listing empty directory in recursive mode (#7613) (05/06/19)
- Delete checked in binary file (#7615) (05/03/19)
- Support IPv6 hosts for postgres connections (#7168) (05/03/19)