CHANGELOG
April 13, 2026 ยท View on GitHub
2.16.2
Content
Defect Fixes
- Internal fixes and improvements
2.16.1
Content
Defect Fixes
- Internal fixes and improvements
2.16.0
Content
Features
- S3 Compatible Object Lock Governance Mode Support
Defect Fixes
- Update dependencies
2.15.0
Content
Features
- Checksums Support
Defect Fixes
- Support for python 3.14
2.14.3
Content
Defect Fixes
- Internal fixes and improvements
2.14.2
Content
Defect Fixes
- COSSDK-103851: https://github.com/IBM/ibm-cos-sdk-python/issues/70
- COSSDK-103853: https://github.com/IBM/ibm-cos-sdk-python-core/issues/30
- Internal fixes and improvements
2.14.1
Content
Defect Fixes
- Internal fixes and improvements
2.14.0
Content
Features
- Tag Based Filtering for Object Expiration
Defect Fixes
- Support for python 3.13
2.13.6
Content
Defect Fixes
- Internal fixes and improvements
2.13.5
Content
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.34.39), Botocore(v1.34.39) and S3transfer(v0.10.0)
- Update dependencies
2.13.4
Content
Defect Fixes
- COSSDK-104927: https://github.com/IBM/ibm-cos-sdk-python/issues/60
- COSSDK-104927: https://github.com/IBM/ibm-cos-sdk-python-core/issues/22
- Internal fixes and improvements
2.13.3
Content
Defect Fixes
- Internal fixes and improvements
2.13.2
Content
Defect Fixes
- COSSDK-101996: https://github.com/IBM/ibm-cos-sdk-python/issues/56
- Update dependencies
2.13.1
Content
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.26.64), Botocore(v1.29.65) and S3transfer(v0.6.0)
- Update dependencies
2.13.0
Content
Features
- S3 Compatible Object Lock Support
- One Rate Active Plan Support
Defect Fixes
- Update dependencies
2.12.2
Content
Defect Fixes
- COSSDK-95884: https://github.com/IBM/ibm-cos-sdk-python/issues/48
- Update dependencies
2.12.1
Content
Defect Fixes
- Internal fixes and improvements
2.12.0
Content
Features
- Cloud Object Storage Replication
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.21.18), Botocore(v1.24.18) and S3transfer(v0.5.2)
- Update dependencies
2.11.0
Content
Features
- Versioning Support with Object Expiration
- Abort Multipart Upload Expiration Support
Defect Fixes
- COSSDK-84126: https://github.com/IBM/ibm-cos-sdk-python/issues/44
- COSSDK-84466: https://github.com/IBM/ibm-cos-sdk-python/issues/45
- COSSDK-83683: https://github.com/IBM/ibm-cos-sdk-python-core/issues/14
- COSSDK-84467: https://github.com/IBM/ibm-cos-sdk-python-core/issues/15
- COSSDK-84467: https://github.com/IBM/ibm-cos-sdk-python-core/issues/12
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.18.44), Botocore(v1.21.44) and S3transfer(v0.5.0)
- Legacy notice for
cos-aspera - Update dependencies
2.10.0
Content
Features
- Object Versioning
- IBM Cloud Security and Compliance Center Support
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.16.55), Botocore(v1.19.55) and S3transfer(v0.3.4)
2.9.0
Content
Features
- Object Tagging
- Block Public Anonymous Access
Defect Fixes
- COSSDK-70228: https://github.com/IBM/ibm-cos-sdk-python-core/issues/10
- COSSDK-70228: https://github.com/IBM/ibm-cos-sdk-python/issues/41
- COSSDK-77085: https://github.com/IBM/ibm-cos-sdk-python-core/issues/11
2.8.0
Content
Features
- Static Website
Defect Fixes
- Add language support policy
2.7.0
Content
Features
- Accelerated Archive
2.6.3
Content
Defect Fixes
- COSSDK-71218: https://github.com/IBM/ibm-cos-sdk-python-s3transfer/issues/5
- Update API fields based on Botocore(v1.15.26)
- Notification of pending Python 3.5 deprecation
2.6.2
Content
Defect Fixes
- COSSDK-66085: https://github.com/IBM/ibm-cos-sdk-python/issues/31
- COSSDK-68522: https://github.com/IBM/ibm-cos-sdk-python-core/issues/9
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.12.26), Botocore(v1.15.26) and S3transfer(v0.3.3)
- Drop support for Python 2.7 and 3.4
2.6.1
- Deprecated
2.6.0
Content
Features
- Support for On-Premise IBM Cloud Object Storage (3.14.8+)
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.10.36), Botocore(v1.13.36) and S3transfer(v0.2.1)
- Update
psutilto use more recent package version (psutil>=5.6.6,<5.6.8)
2.5.5
Content
Defect Fixes
- COSSDK-61849: https://github.com/IBM/ibm-cos-sdk-python/issues/28
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.9.253), Botocore(v1.12.253) and S3transfer(v0.2.1)
2.5.4
Content
Defect fixes
- COSSDK-60245: CHANGELOG updated to use markdown formatting syntax
- COSSDK-58815: https://github.com/IBM/ibm-cos-sdk-python/issues/25
2.5.3
Content
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.9.215), Botocore(v1.12.215) and S3transfer(v0.2.1)
2.5.2
Content
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.9.192), Botocore(v1.12.192) and S3transfer(v0.2.1)
2.5.1
Content
Features
- Extended Listing Support
2.5.0
Content
Features
- Object Expiration Rules
Defect Fixes
- COSSDK-54266: https://github.com/IBM/ibm-cos-sdk-python-s3transfer/issues/1
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.9.152), Botocore(v1.12.152) and S3transfer(v0.2.0)
2.4.4
Content
Defect Fixes
- IBM Python SDK aligned with AWS Python SDK - Boto3(v1.9.97), Botocore(v1.12.97) and S3transfer(v0.2.0)
2.4.3
Content
Defect Fixes
- COSSDK-48789 https://github.com/IBM/ibm-cos-sdk-python/issues/21
- AWS Patches aligned to versions 1.12.79 (botocore) & 1.9.79 (boto3) of the AWS Python SDK
2.4.2
Content
Features
- GET Bucket (List Objects) Version 2
Defect Fixes
2.4.0
Content
Features
- Immutable Object Storage
2.3.3
Content
Features
- Added proxies parameter to resource and client configuration
Defect Fixes
- COSSDK-46277: https://github.com/IBM/ibm-cos-sdk-python/issues/16
- COSSDK-46277: https://github.com/IBM/ibm-cos-sdk-python/issues/17
- COSSDK-46277: https://github.com/IBM/ibm-cos-sdk-python/issues/18
2.3.2
Content
Features
- Configuration update required to support Python 3.7
Defect Fixes
- COSSDK-45711: https://github.com/IBM/ibm-cos-sdk-python-core/issues/3
- COSSDK-45712: https://github.com/IBM/ibm-cos-sdk-python-core/issues/4
2.3.1
- Deprecated
2.3.0
Content
Features
- Aspera High-Speed Transfer Support
2.2.0
Content
Features
- Archive Tier Support
2.1.3
Content
Defect Fixes
- COSSDK-41438: https://github.com/IBM/ibm-cos-sdk-python/issues/10
- COSSDK-41308: https://github.com/IBM/ibm-cos-sdk-python/issues/9
2.1.2
Content
Defect Fixes
2.1.1
Content
Defect Fixes
- Remove references to versioning
- Fix credential check fails when full IAM details not supplied
2.1.0
Content
Features
- JSON Cut + Paste support
- Configurable retries
- Configurable Verify SSL flag for Token Fetching
- Doc updates
2.0.2
Content
Features
- Doc Updates
2.0.1
Content
Features
- IAM Resiliency Support
2.0.0
Content
Features
- Namespace changes
1.1.0
Content
Features
- Added support for Key Protect
1.0.2
Content
Features
- Updated user agent
- Doc updates
1.0.1
Content
Features
- Doc updates for IBM COS
1.0.0
Content
Features
- Initial Release
- IAM Support