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Release Notes

March 6, 2026​

Product name change​

To standardize the service structure, the product name and API names for Object Storage have been changed.

  • Data capacity: Hot Bucket -> Standard Storage Class
  • API product name: Added the 'Standard-' prefix to existing names, such as Standard-PUT and Standard-GET.

October 21, 2025​

Improved bucket permission configuration messages​

  • Improved the warning message for Write permissions when assigning roles to AllUserGroup in bucket permissions.
  • Improved the messages on the public access settings screen.

July 8, 2025​

Added supported S3 APIs​

S3 APIs related to CORS have been added.

  • GetBucketCors
  • PutBucketCors
  • DeleteBucketCors

April 3, 2025​

New IAM roles added for Object Storage​

New IAM roles, 'Object Storage Manager' and 'Object Storage Viewer', have been added.

Improved Object Storage bucket role assignment UI​

  • Improved user account and service account lookup from a list-based method to a search-based method.

April 1, 2025​

Notice of kr-central-1 region termination​

  • Due to the termination of the kr-central-1 region, this service is no longer available in that region. You can continue to use the service reliably in the kr-central-2 region.

June 25, 2024​

Feature separation and UI improvements​

  • Separated the Media Convert (kr-central-1) menu into an independent service and improved the Object Storage UI.

May 27, 2024​

New features and documentation updates​

February 6, 2024​

New features and improvements

New features​

  • Added the object tagging feature in the kr-central-2 region.

Lifecycle feature enhancements (kr-central-2)​

  • Improved lifecycle features so lifecycle policy rules can be created and applied based on object tag values.

Object detail page (kr-central-2)​

  • Improved the service so users can view and configure object details, object expiration information, metadata, and object tag information.

Bucket role permissions (kr-central-1, kr-central-2)​

  • Added the service account type to role members.

November 16, 2023​

New features and improvements​

  • Improved Object Storage error messages based on role permissions.
  • Changed Object Storage permissions.
  • AS-IS
    • storage.buckets.get: Bucket Encryption retrieval
    • storage.buckets.update: Bucket Encryption configuration
  • TO-BE
    • storage.buckets.getIamPolicy: Bucket Encryption retrieval
    • storage.buckets.setIamPolicy: Bucket Encryption configuration

October 11, 2023​

New features​

Object Storage role permissions added (kr-central-1, kr-central-2)​

  • Added the Storage Viewer role (storage.viewer).
  • Storage Viewer: Grants permission to view bucket metadata and object metadata.

June 9, 2023​

Improvements​

S3 API application and API changes in kr-central-2​

  • Bucket API: Empty bucket, retrieve bucket metadata, and manage lifecycle
  • Object API: Multipart upload and create a Temp URL for object download

S3 API application and API changes in kr-central-1​

  • Bucket API: Added lifecycle expiry rule policy

November 22, 2022​

Improvements​

View object count and capacity in Monitoring tab​

  • You can view the object count and storage capacity for the past week, 14 days, and 30 days as graphs.
  • Changed bucket name search from prefix-based search to include-based search.

File upload​

  • Single file upload size: 10 GB -> 50 GB
  • Maximum number of files per upload: 30 -> 1,000
  • Maximum number of concurrent file transfers: 5
  • Resumable upload is not supported.
  • Files larger than 5 GB are uploaded using SLO multipart upload.
  • For multipart upload, check the following items:
    • If you overwrite a file with the same name but a different size, segment files may remain. We recommend deleting the existing file before uploading it again.
    • For incomplete objects that are still uploading or damaged, metadata editing, renaming, copying, and moving are unavailable. For multipart upload objects that have completed uploading, all four features except metadata editing are unavailable.

August 11, 2022​

Improvements​

  • When creating a new bucket, you can configure encryption to automatically encrypt all objects stored in the bucket.
  • You can view detailed information about buckets, objects, and permissions. However, users must have a role for getIamPolicy to view permission information.

July 21, 2022​

Improvements​

  • Updated the service to add the CORS policy configuration feature.

April 22, 2022​

Improvements​

  • Updated the service to add the permission configuration feature.

January 4, 2022​

New features​

  • Added the Media Convert feature.

October 13, 2020​

Service launch​

  • KakaoCloud Object Storage is an object-based storage service with scalability and stability optimized for storing and processing large-scale data in key-value format. For more information, see the Object Storage documentation.