These release notes provide information about new features and related documentation for Torch Object Storage (TOS). New features will be rolled out gradually across regions. Feel free to try them out!

September 2026

Feature	Description	Release date	Supported regions	Related documentation
Data processing	TOS can now process video files, including converting formats and codecs, and generate output videos based on specified templates. tip This feature is currently in closed beta. Please contact your account manager for access.	2026-09-02	All regions	Video transcoding Template management
DevMind	Added DevMind, which integrates usage statistics, log analysis, Storage Lens, and Insight Assistant. These modules help you analyze bucket data from multiple angles to evaluate usage, troubleshoot issues, and govern storage.	2026-09-01	All regions	Overview
Converged access points	Converged access points now support unified configuration of resource scope, access network, access domain, and access protocol. tip This feature is currently in closed beta. Please contact your account manager for access.	2026-08-31	All regions	Configuring converged access points

August 2026

Feature	Description	Release date	Supported regions	Related documentation
Converged access points	Added converged access points, which provide scalable access capabilities for requests from virtual private clouds (VPCs). This allows for direct access to TOS via IP addresses within your tenant VPC.	2026-08-06	All regions	Converged access points
Fetching custom metadata	Mirroring and redirection rules now support configuring custom metadata when fetching objects.	2026-08-04	All regions	Configuring mirroring rules Configuring redirection rules

July 2026

Feature	Description	Release date	Supported regions	Related documentation
ve-tos-cli	Added a command-line tool for TOS. ve-tos-cli supports the entire TOS workflow, including file transfer, bucket configuration, advanced feature invocation, and control plane operations. It provides low-level APIs, bucket configuration commands, advanced feature commands, and control plane commands to meet varying requirements.	2026-07-06	All regions	Overview

June 2026

Feature	Description	Release date	Supported regions	Related documentation
ObjectSet dedicated access points	You can now directly access data in an ObjectSet through an access point domain name.	2026-06-22	All regions	ObjectSet dedicated access points
SenseFlow	Added TOS SenseFlow, a multi-model workspace. tip This feature is currently in closed beta and is only available in China (Beijing). Please contact your account manager for access.	2026-06-22	All regions	What is SenseFlow
TOS Agent	Added TOS Agent, an intelligent service that offers natural language interactions. tip This feature is currently in closed beta. Please contact your account manager for access.	2026-06-22	All regions	Overview
Object hosting	TOS now allows objects to be hosted by other services.	2026-06-12	All regions	Object hosting

May 2026

Feature	Description	Release date	Supported regions	Related documentation
Bucket quota	Added the GetBucketQuota API, which retrieves the storage quota of a bucket. Added the PutBucketQuota API, which sets the storage quota of a bucket.	2026-05-26	All regions	GetBucketQuota PutBucketQuota
GetBucketStat	Added the GetBucketStat API, which retrieves a bucket's storage size and object details.	2026-05-26	All regions	GetBucketStat
Multiple video snapshots	Added the CreateVideoSnapshotsJob API, which creates jobs that capture multiple video frames at specified intervals and scales them to the specified image size. Added the GetVideoSnapshotsJob API, which queries multiple video snapshot jobs.	2026-05-26	All regions	CreateVideoSnapshotsJob GetVideoSnapshotsJob
Bucket inventory	Added the AccessTime parameter.	2026-05-26	All regions	Bucket inventory
Semantic video retrieval template	Added a semantic video retrieval template.	2026-05-26	All regions	Creating datasets
ObjectSet	TOS now supports ObjectSet.	2026-05-26	All regions	ObjectSet
Vector bucket	Added the TagResource API, which allows you to apply one or more user-defined tags to resources or to update existing tags. Add the UntagResource API for removing tags applied to resources. Add the ListTagsForResource API for listing tags applied to resources.	2026-05-26	All regions	TagResource UntagResource ListTagsForResource
Browser cache expiration	You can now set an expiration time for your browser cache. After this time has passed, your browser will refresh the cache.	2026-05-26	All regions	Browser cache expiration

April 2026

Feature	Description	Release date	Supported regions	Related documentation
TOS accelerator	Added a read/write cache mode. tip This feature is currently in closed beta. Please contact your account manager for access.	2026-04-23	China (Beijing), China (Shanghai), China (Guangzhou), and Asia Pacific (Johor)	TOS Accelerator Overview Creating TOS accelerators
FSX	Added a POSIX-compatible mode.	2026-04-21	All regions	POSIX-compatible mode
QoS policy	Added a priority-based throttling approach with multiple priority levels and guaranteed quotas to improve overall resource utilization.	2026-04-15	All regions	Overview Creating QoS policies Use cases for QoS policies
Hierarchical namespace	HNS buckets now support back-to-origin rules.	2026-04-15	All regions	Supported console features (HNS buckets) Supported APIs (HNS buckets)
Bucket inventory	Added the ablity to filter by typical conditions.	2026-04-15	All regions	Bucket inventory
Image processing	Added the ability to draw points and lines, as well as create mosaics on images.	2026-04-15	All regions	Draw Mosaic
Data subscription	You can now securely and automatically synchronize AI-generated content (AIGC) from Volcano Ark (VeArk) to your buckets in near-real time.	2026-04-15	China (Beijing)	Overview
TOS Vectors	Added the project and tag parameters when creating a vector bucket. tip This feature is currently in closed beta. Please contact your account manager for access.	2026-04-15	China (Beijing)	Creating vector buckets
Audio transcoding	Added the Java SDK for audio transcoding, which provides quick access to audio transcoding capabilities via APIs.	2026-04-03	All regions	Create an audio transcoding template (Java SDK) List audio transcoding templates (Java SDK) Delete an audio transcoding template (Java SDK) Create an audio transcoding job (Java SDK) Query audio transcoding jobs (Java SDK)
Video transcoding	Added the Java SDK for video transcoding, which provides quick access to video transcoding capabilities via APIs.	2026-04-03	All regions	Create a video transcoding template (Java SDK) List video transcoding templates (Java SDK) Delete a video transcoding template (Java SDK) Create a video transcoding job (Java SDK) Query video transcoding jobs (Java SDK)
Workflow	Added the Java SDK for workflow to help orchestrate and manage media processing tasks.	2026-04-03	All regions	Create a workflow (Java SDK) Query workflows (Java SDK) Delete a workflow (Java SDK)
FSX	Version 1.3.2.790 is now available and provides POSIX compatibility.	2026-04-03	All regions	Overview

March 2026

Feature	Description	Release date	Supported regions	Related documentation
tosfsspec	Added tosfsspec, which is a Python library that adheres to the pythonic file systems specification (fsspec). It enables developers to read from and write to TOS as conveniently and efficiently as they would with a local file system.	2026-03-19	All regions	Overview

February 2026

Feature	Description	Release date	Supported regions	Related documentation
QoS policy	Added several fetch parameters.	2026-02-09	All regions	Overview Creating QoS policies
Hierarchical namespace	HNS buckets now support cross-origin resource sharing (CORS). You can now host a static website on an HNS bucket. HNS buckets now support the FetchObject API, which fetches resources from a URL and stores them in a specific bucket.	2026-02-09	All regions	Supported console features (HNS buckets) Supported APIs (HNS buckets)
Info	Added a field that indicates the clockwise rotation angle of a video file.	2026-02-09	All regions	Info
File decompression	Added the PointCloudCompress API for compressing point cloud data files to save costs. tip This API is currently in closed beta. Please contact your account manager for access.	2026-02-09	All regions	PointCloudCompress
Image processing	Added the ImageUnderstanding API for analyzing image content. tip This API is currently in closed beta. Please contact your account manager for access.	2026-02-09	All regions	ImageUnderstanding
Media processing	Added the VideoGeneration API, which creates videos from text and images. Added the VideoUnderstanding API for analyzing video content. tip This API is currently in closed beta. Please contact your account manager for access.	2026-02-09	All regions	VideoGeneration VideoUnderstanding
TOS Vectors	Added console operations for creating, viewing, and deleting vector buckets and vector indexes. tip This feature is currently in a free closed beta and is only available in China (Beijing). Contact your account manager to request a trial.	2026-02-09	China (Beijing)	Creating vector buckets Creating vector indexes Deleting vector indexes Deleting vector buckets

January 2026

Feature	Description	Release date	Supported regions	Related documentation
TOS PyTorch Connector	Designed for AI training workloads, TOS PyTorch Connector delivers high-performance data access to TOS data.	2026-01-30	All regions	Overview
TOS Browser	Added the ability to sort by object name to improve the user experience. Added support for displaying HNS bucket recycle bin.	2026-01-26	All regions	Installing TOS Browser
TOS accelerator	TOS accelerators are generally available.	2026-01-06	China (Beijing), China (Shanghai), China (Guangzhou), and Asia Pacific (Johor)	Creating TOS accelerators

December 2025

Feature	Description	Release date	Supported regions	Related documentation
TOS Vectors	Added TOS Vectors, a new storage solution designed for storing, querying, and managing vectors. tip This feature is currently in a free closed beta and is only available in China (Beijing). Contact your account manager to request a trial.	2025-12-31	China (Beijing)	Overview
Lifecycle	Added the Not paramter.	2025-12-29	All regions	Configuring lifecycle rules based on last modified time Configuring lifecycle rules based on last access time PutBucketLifecycle GetBucketLifecycle
Bucket inventory	Bucket inventory now supports exporting one-off inventory reports and executing inventory rules immediately.	2025-12-29	All regions	Bucket inventory PutBucketInventory GetBucketInventory
Audio and video transcoding	Added APIs for submitting audio and video transcoding jobs. Supported output file formats for audio transcoding are MP3, WAV, AAC, M4A, FLAC, AC3, OPUS, and OGA.	2025-12-29	All regions	AudioConvert CreateTranscodeJob
QoS policy	The QoS policy conditions now support access points and projects.	2025-12-29	All regions	Overview
Rust SDK	Added the Rust SDK.	2025-12-23	All regions	Rust SDK overview
Logging	Added fields such as StorageTier, MRAPAlias, and Payer to help you analyze and track requests from multi-region access points and requests where the requester pays.	2025-12-17	All regions	Log analysis Log storage
FSX	Version 1.3.0.370 is now available and supports Rocky Linux operating systems ranging from version 9.1 to 9.5.	2025-12-04	All regions	Overview
tosutil	Added the -bfs parameter to the cp command for downloading or copying objects. This parameter allows you to use the hierarchical listing method to download or copy objects in batches and set the concurrency level for those listings.	2025-12-02	All regions	Download objects (cp) Copy objects (cp)

November 2025

Feature	Description	Release date	Supported regions	Related documentation
Hierarchical namespace	HNS buckets now support single-region access points, which offer dedicated access domains. HNS buckets now support TOS accelerators.	2025-11-27	All regions	Supported console features (HNS buckets)
Data processing	Added the following billable items: video transcoding, audio transcoding, and extracting metadata from AIGC audio and video.	2025-11-27	All regions	Data processing
Data retrieval	Added a feature that offers comprehensive, multi-modal search capabilities for your data stored in TOS.	2025-11-27	All regions	Overview
Audio transcoding	The AudioConvert API is now generally available.	2025-11-27	All regions	AudioConvert
Workflow	The workflow-related APIs are now generally available.	2025-11-27	All regions	CreateWorkflow GetWorkflow DeleteWorkflow GetWorkflowExecution ListWorkflowExecution
Image processing	Added the GrayScale and ImageSlim APIs for setting images to grayscale and performing intelligent image compression.	2025-11-27	All regions	GrayScale ImageSlim
Media processing	Added APIs for remuxing audio/video files, querying the status of asynchronous media tasks, extracting AIGC metadata, and concatenating audio segments.	2025-11-27	All regions	CreateRemuxJob QueryMediaJob GetAIGCMetadata AudioConcat
Burst bandwidth	Burst bandwidth is now generally available.	2025-11-27	All regions	Burst bandwidth Configuring burst bandwidth
FSX	Added the tos_symlink_mode mount parameter to specify the symlink mode.	2025-11-24	All regions	Mount parameters
Mirroring	You can now configure primary and secondary servers for mirroring.	2025-11-10	All regions	Configuring mirroring rules
FSX	FSX now supports ARM64 architecture. Enhanced compatibility for symlinks.	2025-11-03	All regions	Operating environment

October 2025

Feature	Description	Release date	Supported regions	Related documentation
Access point permission management	You can now configure multi-region access point policies to grant accounts permissions on their corresponding buckets. This simplifies the management of cross-region and cross-bucket permission policies.	2025-10-27	All regions	Creating multi-region access point policies
Access point permission management		You can now assign a different permission policy to each single-region access point. When accessing TOS through an access point, your permissions are limited to the actions, resources, and conditions defined in its policy. This allows for differentiated access control for different lines of business or roles.	2025-10-27	All regions	Overview Creating single-region access points Using single-region access points API operations supported by single-region access points
TOS Browser	TOS Browser now supports switching interface language.	2025-10-24	All regions	Switching between sessions and languages
TOS Browser		TOS Browser now supports accessing TOS via an HTTP proxy.	2025-10-24	All regions	Using an HTTP proxy
Storage Lens dashboard	Added two activity metrics: bytes uploaded and number of deleted bytes. You can now export the total storage size and the number of uploaded and deleted bytes within a specified time range.	2025-10-16	All regions	Overview Creating Storage Lens dashboards Viewing storage metrics Exporting metrics
Bucket inventory	Bucket inventory now supports exporting the access tiers of objects in Intelligent Tiering.	2025-10-16	All regions	Bucket inventory
Multi-region access points	Multi-region access points are now available in Asia Pacific (Jakarta). Currently, you can use this feature in China (Beijing), China (Shanghai), China (Guangzhou), China (Hong Kong), Asia Pacific (Johor), and Asia Pacific (Jakarta).	2025-10-16	All regions	Creating multi-region access points
TOS accelerator	TOS accelerators are now available in Asia Pacific (Johor) Availability Zone B. Currently, you can create TOS accelerators in China (Beijing) Availability Zone E, China (Shanghai) Availability Zone E, China (Guangzhou) Availability Zone C, and Asia Pacific (Johor) Availability Zone B.	2025-10-16	China (Beijing), China (Shanghai), China (Guangzhou), and Asia Pacific (Johor)	Creating TOS accelerators

September 2025

Feature	Description	Release date	Supported regions	Related documentation
Intelligent Tiering	The Buckets page now allows you to view or export the following information: Billable capacity of Intelligent Tiering frequent access tier, billable capacity of Intelligent Tiering infrequent access tier, and billable capacity of Intelligent Tiering flashback archive tier. The Overview or Usage statistics page now allows you to view the billable and raw capacity of the frequent access, infrequent access, and flashback archive tiers of Intelligent Tiering.	2025-09-28	All regions	Viewing bucket details
Media processing	Added the VideoAnimation API for converting video files to animated images.	2025-09-26	All regions	VideoAnimation
Retention policy	You can now use a retention policy to prevent objects from being deleted or overwritten for a set period of time. This feature enables write-once, read-many (WORM) storage.	2025-09-26	All regions	Configuring WORM retention PutBucketObjectLockConfiguration GetBucketObjectLockConfiguration PutObjectRetention GetObjectRetention
tosutil	Added the - f parameter to indicate whether to skip the confirmation prompt when overwriting local files.	2025-09-26	All regions	Download objects (cp)
FSX	Passwordless mounting of buckets or specified directories via FSX is now available.	2025-09-24	All regions	Configuration and mounting
tosutil	tosutil now supports configuring an HTTP proxy, allowing access to TOS through the proxy.	2025-09-23	All regions	Configuring an HTTP proxy
tosutil		tosutil now supports generating pre-signed URLs via the presign command.	2025-09-23	All regions	Generate pre-signed URLs (presign)
Multi-AZ redundancy	Multi-AZ redundancy is now in China (Guangzhou) and Asia Pacific (Johor). Currently, you can use this feature in China (Beijing), China (Shanghai), China (Guangzhou), and Asia Pacific (Johor).	2025-09-23	China (Beijing), China (Shanghai), China (Guangzhou), and Asia Pacific (Johor)	Multi-AZ redundancy
Burst bandwidth	TOS now supports the automatic allocation of additional temporary bandwidth based on actual usage and the applied burst bandwidth cap. This ensures smooth operation during periods of high usage.	2025-09-22	All regions	Configuring burst bandwidth Burst bandwidth
Event notification	You can now deliver event notifications to Message Queue for Kafka to monitor TOS resource changes in real time.	2025-09-04	All regions	Delivering event notifications to Message Queue for Kafka PutBucketNotificationV2 GetBucketNotificationV2
		HNS buckets now support event notifications.	2025-09-04	All regions	Supported console features (HNS buckets)
		Event notification now supports the following event types: tos:ObjectCreated:Modify, tos:ObjectCreated:Append, tos:ObjectRename, tos:ObjectRemoved:TrashMoved, and tos:LifecycleExpiration:TrashMoved.	2025-09-04	All regions	Event notification overview
Image Processing Experience Center	The TOS console now provides a graphical interface for visually managing image processing configurations, featuring tools for image cropping and watermarking.	2025-09-04	All regions	Image Processing Experience Center
Pre-signed link	Added the ability to generate pre-signed URLs using custom domains associated with buckets.	2025-09-04	All regions	Viewing object details
TOS Browser	You can now set an expiration time for share links when sharing objects or folders. The share link will automatically expire once the specified time has elapsed. Added the ability to view the size of pending downloads in the task schedule management panel.	2025-09-03	All regions	Basic object operations
Object expiration time	Added the SetObjectExpires API, which alllows you set or modify an object's expiration time.	2025-09-02	All regions	SetObjectExpires Expiring objects via APIs Expire objects (Java SDK) Expire objects (Go SDK) Expire objects (Python SDK)

August 2025

Feature	Description	Release date	Supported regions	Related documentation
TOS Browser	TOS Browser now supports logging in with temporary credentials of Security Token Service. TOS Browser now supports recording each access path along with the associated custom endpoint's session history.	2025-08-11	All regions	Logging in to TOS Browser with AK/SK or STS temporary credentials
TOS Browser		Optimized task progress management by highlighting failed tasks.	2025-08-11	All regions	Task center
tosutil	Changed the default value of the -p parameter in the cp (download objects) command to 5.	2025-08-07	All regions	Download objects (cp)
tosutil		Added the following parameters to the configuration file: Added the defaultDownloadParallels parameter to set the maximum concurrency for multipart download tasks. Added the defaultScanConcurrency parameter to set the concurrency for batch tasks when listing the original data. Added the usePrefetchForDownload parameter to enable prefetching during object downloads, which sequentially writes local files.	2025-08-07	All regions	tosutil configuration parameters

July 2025

Feature	Description	Release date	Supported regions	Related documentation
TLS version	TOS now allows you to specify the Transport Layer Security (TLS) versions that will be used for secure communication.	2025-07-31	All regions	Configuring the TLS version PutBucketHttpsConfig GetBucketHttpsConfig
Server-side encryption	The SM4 encryption algorithm is now supported with SSE-TOS and SSE-KMS.	2025-07-31	China (Beijing) and China (Shanghai)	Overview Setting bucket encryption PutBucketEncryption GetBucketEncryption
Previewing objects	The TOS console now supports previewing image, audio, and video files.	2025-07-31	All regions	Previewing objects
Uploading objects	Added the if-match and if-none-match parameters for ETag conditional checks when uploading objects.	2025-07-31	All regions	PutObject CopyObject CompleteMultipartUpload
TOS Browser	Added the ability to generate file paths and pre-signed URLs using custom domains associated with buckets. Added the ability to set the number of objects displayed per page on the objects list page.	2025-07-23	All regions	Basic object operations
Requester Pays	Added Requester Pays, which is a billing model that shifts the data transfer costs from the data owner to the requester. In this model, the requester pays for both the data transfer and the request. Meanwhile, the bucket owner pays for the data storage and any other related costs.	2025-07-07	All regions	Configuring Requester Pays PutBucketRequestPayment GetBucketRequestPayment
Lifecycle rule	You can now copy and search lifecycle rules.	2025-07-07	All regions	Configuring lifecycle rules based on last modified time Configuring lifecycle rules based on last access time
FSX	FSX is now generally available.	2025-07-04	All regions	Overview

June 2025

Feature	Description	Release date	Supported regions	Related documentation
TOS Browser	You can now share authorization codes with others, allowing them to log in to TOS Browser and access TOS resources without extra credentials.	2025-06-13	All regions	Creating an authorization code Logging in to TOS Browser with an authorization code
Log storage	You can now save access logs directly to a specified bucket for auditing, reconciliation, and troubleshooting purposes.	2025-06-04	All regions	Log storage PutBucketLogging GetBucketLogging

May 2025

Feature	Description	Release date	Supported regions	Related documentation
TOS accelerator	A TOS accelerator caches frequently accessed files to provide low-latency, high-throughput data acceleration services. It is ideal for scenarios that require high bandwidth and repeated data reads, such as model inference and training and big data analytics acceleration. tip TOS accelerators are currently in closed beta. Please contact your account manager for access.	2025-05-30	China (Beijing), China (Shanghai), and China (Guangzhou)	Overview Creating TOS accelerators Creating warm-up tasks Using TOS accelerators
Mirroring	You can now add a prefix or suffix and replace the filename prefix when configuring the back-to-origin address of a mirroring rule.	2025-05-30	All regions	Configuring mirroring rules
Storage Lens	You can now view storage growth of the top N prefixes and analyze trend change.	2025-05-30	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor), and China (Hong Kong)	Viewing storage metrics
CDN notification	You can now use CDN notification to force Content Delivery Network (CDN) to update specific objects and ensure that users receive the latest data from TOS.	2025-05-22	China (Beijing), China (Guangzhou), and China (Shanghai)	Setting up an accelerated domain
Storage Lens	Storage Lens is now generally available.	2025-05-20	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor), and China (Hong Kong)	Overview Creating Storage Lens dashboards Viewing storage metrics Typical use cases
Storage type	Cold Archive is now available in China (Guangzhou). Currently, you can use this storage type in China (Beijing), China (Shanghai), and China (Guangzhou).	2025-05-15	All regions	Storage type
QoS policy	QoS policy is now generally available.	2025-05-12	All regions	Overview Creating QoS policies Use cases for QoS policies

April 2025

Feature	Description	Release date	Supported regions	Related documentation
tosutil	Modified multiple parameters of the mount command. Specifically: Added the -ntmout parameter to set the negative timeout for the local file system directory. Added the -cctf parameter to specify whether to calculate the CRC-64 checksum for local temporary files during the writing process. Added the -ntfc parameter to specify whether the truncate parameter should be used when creating new files.	2025-04-29	All regions	Mount a bucket as a local file system directory (mount)
tosutil		Changed the default value of skipWriteSucceedRecord to true.	2025-04-29	All regions	tosutil configuration parameters
Mirroring	You can now select whether to write the requested object to the bucket when a range download triggers a mirroring action.	2025-04-29	All regions	Configuring mirroring rules
Folder statistics	The TOS console now supports calculating the number of objects and the total data size within a folder.	2025-04-27	All regions	Folder statistics
GetBucketInfo	Added the GetBucketInfo API, which retrieves bucket configuration.	2025-04-27	All regions	GetBucketInfo
Bucket policy	Added the volc:ViaConsole and volc:RequestTagKeys conditions when configuring a bucket policy in visual view.	2025-04-27	All regions	Bucket policy templates and parameters
AIGC	You can now use AIGC-related APIs to combine TOS's image processing features with Doubao's large models.	2025-04-27	All regions	TOS-Doubao AIGC TextToImage ImageToImage
TOS Browser	Added the ability to rename folders. Added a feature that allows you to add a path to your favorites. Added the ability to preview audio and video files. Added a link tracking feature that allows you to track download behaviors after objects are shared via TOS Browser.	2025-04-01	All regions	Basic object operations Tracking download behaviors with TOS Browser

March 2025

Feature	Description	Release date	Supported regions	Related documentation
tosutil	Added the -nftr parameter to the cp (download objects) and fcp (copy local files) commands; added the noTruncateForCreateNewFile parameter to the configuration file. These two parameters both serve the purpose of determining whether to use the Truncate parameter to specify the file size.	2025-03-28	All regions	Download objects (cp) Copy local files (fcp) tosutil configuration parameters
QoS policy	Added the NotResource and NotPrincipal parameters to specify which resources and accounts are not subject to throttling.	2025-03-25	All regions	Overview Creating QoS policies Use cases for QoS policies
Bucket policy	You can now use NotAction with "Effect":"Allow". This combination allows all actions except those specified by NotAction.	2025-03-25	All regions	Bucket policy templates and parameters Creating a custom bucket policy in visual view Using NotPrincipal, NotResource, and NotAction
Multi-region access points	You can now set up back-to-origin rules for a multi-region access point. With these rules, if you request an object from an underlying bucket via the access point and the object does not exist, TOS retrieves the object from the other underlying buckets and returns it to the client.	2025-03-25	All regions	Creating back-to-origin rules for multi-region access points
Data processing	A pipeline is a series of commands connected by pipeline operators (\|). TOS enables you to use these operators to chain multiple data processing operations, eliminating the need for manual transfer of intermediate results. TOS then executes these operations in the defined order.	2025-03-25	All regions	Pipeline
		TOS now allows access to private m3u8 files, ensuring their security while fulfilling your access needs.	2025-03-25	All regions	Accessing private m3u8 files Pm3u8
		You can now apply the Q parameter to JPEG-2000, AVIF, and HEIC images.	2025-03-25	All regions	Quality
		You can now convert HEIC files to other formats.	2025-03-25	All regions	Format
		TOS can now process videos in the WebM format using VP8 or VP9 encoding.	2025-03-25	All regions	Overview
Custom domain	You can now specify the access protocol for a custom domain.	2025-03-25	All regions	Setting up a custom domain PutBucketCustomDomain GetBucketCustomDomain
Hierarchical namespace	Added Recycle Bin. With this feature, deleted objects or directories will first be moved to the Recycle Bin and will only be automatically deleted after the expiration time has passed.	2025-03-25	All regions	Recycle Bin PutBucketTrash GetBucketTrash
Event rule	You can now configure alerts for TOS events in Cloud Monitor. When specified events occur, the system will send you an alert notification via your chosen method.	2025-03-10	All regions	Creating event rules Viewing event details Throttling event metrics
Multi-region access points	A TOS multi-region access point provides a global endpoint that allows you to access multiple buckets distributed across different regions.	2025-03-06	All regions	Overview Creating multi-region access points Using multi-region access points API operations supported by multi-region access points

February 2025

Feature	Description	Release date	Supported regions	Related documentation
tosutil	tosutil now supports anonymous access to TOS.	2025-02-27	All regions	Quick start
TOS Browser	TOS Browser now supports scheduled uploads.	2025-02-24	All regions	Scheduled upload
		TOS Browser now has a side panel on the left that displays buckets, making it easy to switch between them.	2025-02-24	All regions	Basic bucket operations
		TOS Browser now has an address bar at the top, making it easier to access the current file path.	2025-09-24	All regions	None
Server-side encryption	SSE-TOS and SSE-KMS are now available in China (Shanghai) and Asia Pacific (Johor).	2025-02-20	All regions	Overview
RenameObject	Added the x-tos-forbid-overwrite parameter to the RenameObject API. This parameter controls whether objects with the same name are overwritten when renamed.	2025-02-20	All regions	RenameObject
tosutil	tosutil now fully supports HNS buckets.	2025-02-13	All regions	Create a bucket (mb)
		Added the -adr parameter to the mount command for recursive directory deletion.	2025-02-13	All regions	Mount a bucket as a local file system directory (mount)
		Added the configuration parameters, allowNoDelimiterForFns and printMemUsage. Specifically: The allowNoDelimiterForFns parameter determines whether listings can be made without a delimiter. The printMemUsage parameter determines whether memory allocation metrics are logged in the log files.	2025-02-13	All regions	tosutil configuration parameters

January 2025

Feature	Description	Release date	Supported regions	Related documentation
TOS Browser	You can now obtain the pre-signed URL of an object with one click. This makes sharing objects easier.	2025-01-06	All regions	Basic object operations
Lifecycle rule	You can now configure lifecycle rules based on when an object was last accessed (last access time). You can instruct TOS to automatically move an object to a different storage type when it remains unaccessed for a preset number of days.	2025-01-02	All regions	Configuring lifecycle rules based on last access time Which operations update an object's last access time? PutBucketLifecycle GetBucketLifecycle PutBucketAccessMonitor GetBucketAccessMonitor
Bucket list	You can now sort buckets by name, capacity, or creation time in the bucket list.	2025-01-02	All regions	Viewing bucket details
tosutil	Modified multiple parameters of the mount command. Specifically: Added the parameters, -mpt, -spt, -rps, -mlh, and -ce. Changed the default value of the -rbs parameter from 3 MB to 1 MB.	2025-01-14	All regions	Mount a bucket as a local file system directory (mount)