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Torch Object Storage

What's New

New feature release notes

This topic describes the release notes for TOS features. New features will be released in each region.

April 2026

Feature	Description	Release Date	Region	Related Documents
Accelerator	The accelerator has added a read/write caching mode. tips This feature is currently in closed beta. Please contact your account manager for access.	2026-04-24	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor)	TOS accelerator Overview Creating TOS accelerators
FSX	New FSX compatibility priority mode.	2026-04-21	All	FSX compatibility priority mode
QoS policy	A new priority-based QoS policy has been added, introducing multi-level priority and minimum quota design to improve overall resource utilization.	2026-04-15	All	Overview Creating QoS policies Use cases for QoS policies
Hierarchical namespace	HNS buckets support back-to-origin rules.	2026-04-15	All	Supported console features (HNS buckets) API list (HNS buckets)
Bucket inventory	The bucket inventory now includes a new typical condition filtering configuration.	2026-04-15	All	Bucket inventory
Image processing	Image processing supports drawing points and lines, and mosaics on images.	2026-04-15	All	Draw Mosaic
Data subscription	The new data subscription feature allows you to automatically and securely synchronize AIGC outputs from Volcano Ark (VeArk) to your TOS buckets in near real time.	2026-04-15	China (Beijing)	Overview
TOS Vectors	Vector buckets now support items and tags. tips This feature is currently in closed beta. Please contact your account manager for access.	2026-04-15	China (Beijing)	Creating vector buckets
Audio processing	A new Java SDK for audio transcoding has been added, supporting quick access to audio format conversion capabilities via API.	2026-04-03	All	Create audio transcoding template (Java SDK) List audio transcoding templates (Java SDK) Delete audio transcoding template (Java SDK) Create audio transcoding task (Java SDK) Query audio transcoding task (Java SDK)
Video processing	A new Java SDK for video transcoding has been added, supporting quick access to video format conversion capabilities via API.	2026-04-03	All	Create video transcoding template (Java SDK) List video transcoding templates (Java SDK) Delete video transcoding template (Java SDK) Create video transcoding task (Java SDK) Query video transcoding tasks (Java SDK)
Workflow	A new Java SDK for workflows has been added, supporting media processing tasks through code orchestration and management.	2026-04-03	All	Create workflow (Java SDK) Query workflow (Java SDK) Delete workflow (Java SDK)
FSX	A new version 1.3.2.790 has been added, providing POSIX semantic compatibility.	2026-04-03	All	Overview

March 2026

Feature	Description	Release Date	Region	Related Documents
tosfsspec	tosfsspec is a Python library that adheres to the pythonic file systems specification (fsspec). This 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	Overview

February 2026

Feature	Description	Release Date	Region	Related Documents
QoS policy	Fetch parameter description has been newly added to QoS policy.	2026-02-09	All	QoS policy overview Create QoS policy
Hierarchical namespace	Supports CORS to enable cross-region resource sharing. Supports static website hosting and enables access to static websites. Supports the FetchObject interface, enabling the retrieval and storage of resources from a specified URL.	2026-02-09	All	Console feature list (HNS buckets) API list (HNS buckets)
View video information	The new rotation field has been added to the video information parameter, supporting the setting of the clockwise rotation angle.	2026-02-09	All	Info
File decompression	A new point cloud compression API interface has been added, which supports compressing point cloud data files to save costs. tip The interface is currently in invitation-only preview. Please contact your account manager to request access.	2026-02-09	All	PointCloudCompress
Image processing	A new image understanding API interface has been added to understand the content of images. tip The interface is currently in invitation-only preview. Please contact your account manager to request access.	2026-02-09	All	ImageUnderstanding
Media processing	A new video generation API interface has been added to generate videos from the incoming text information and images. A new video understanding API interface has been added to understand video content. tip The interface is currently in invitation-only preview. Please contact your account manager to request access.	2026-02-09	All	VideoGeneration VideoUnderstanding
TOS Vectors	Added console operations such as creating, viewing, and deleting vector buckets and vector indexes. tip This feature is currently in free invitation testing, available only in the China (Beijing) region. Contact your account manager to apply for a trial.	2026-02-09	China (Beijing)	Create vector bucket Create vector index Delete vector index Delete vector bucket

January 2026

Feature	Description	Release Date	Region	Related Documents
TOS PyTorch Connector	TOS PyTorch Connector is a high-performance data read-write tool provided by Volcano Engine TOS for AI training scenarios.	2026-01-30	All	TOS PyTorch Connector Overview
TOS Browser	Added the function to sort by file name, optimizing the file search experience. Supports displaying the HNS bucket recycle bin.	2026-01-26	All	Install TOS Browser
Accelerator	The accelerator function has been changed from invitation-only testing to official release.	2026-01-06	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor)	Creating TOS accelerators

December 2025

Feature	Description	Release Date	Region	Related Documents
TOS Vectors	Added TOS Vectors, a new storage service specifically designed for storing, querying, and managing vector data. tip This feature is currently in free invitation testing, available only in the China (Beijing) region. Contact your account manager to apply for a trial.	2025-12-31	China (Beijing)	TOS Vectors overview
Lifecycle management	Lifecycle rule creation supports NOT configuration.	2025-12-30	All	Configuring lifecycle rules based on last modified time Configuring lifecycle rules based on last access time PutBucketLifecycle GetBucketLifecycle
Bucket inventory	Bucket inventory support exporting inventory reports at one time and executing inventory rules immediately.	2025-12-30	All	Bucket inventory PutBucketInventory GetBucketInventory
Audio and video transcoding	Added an API interface for submitting audio and video transcoding tasks. The audio transcoding output file formats supported are mp3, wav, aac, m4a, flac, ac3, opus, and oga.	2025-12-30	All	AudioConvert CreateTranscodeJob
QoS policy	The QoS policy conditions support access points and projects.	2025-12-30	All	Qos policy overview
Log management	New parameters such as StorageTier, MRAPAlias, and Payer have been added to help you analyze and track requests from multiple regional access points and requests where the requester pays.	2025-12-18	All	Log analysis Log storage
FSX	The newly added version 1.3.0.370 supports Rocky Linux operating systems 9.1 to 9.5.	2025-12-04	All	Overview
tosutil	Added the -bfs parameter to cp (download objects) and cp (copy objects) commands. This parameter allows you to use the hierarchical listing method to download or copy objects in parallel and set the concurrency level for those listings.	2025-12-02	All	Download objects (cp) Copy objects (cp)
Hierarchical namespace	Supports single-region access points, providing dedicated access domains for storage buckets. Supports TOS accelerator.	2025-12-02	All	Console feature list (HNS buckets)
Data processing fee	Added introductions of the video transcoding fees, audio transcoding fees, and audio/video AIGC metadata extraction fees.	2025-12-02	All	Data processing
Data retrieval	The newly added data retrieval function provides you with full-scenario, multi-modal data retrieval capabilities for your data stored in TOS.	2025-12-02	All	Data retrieval
Audio transcoding	The audio transcoding function has been changed from invitation-only testing to official release.	2025-12-02	All	AudioConvert
Workflow	The workflow function has been changed from invitation-only testing to official release.	2025-12-02	All	CreateWorkflow GetWorkflow DeleteWorkflow GetWorkflowExecution ListWorkflowExecution
Image processing	Added images set as grayscale and images intelligent compression processing API interfaces.	2025-12-02	All	GrayScale ImageSlim
Media processing	Added audio and video file remuxing, querying the status of audio and video asynchronous tasks, extracting audio and video AIGC metadata, and concatenating audio segments API interfaces.	2025-12-02	All	CreateRemuxJob QueryMediaJob GetAIGCMetadata AudioConcat

November 2025

Feature	Description	Release Date	Region	Related Documents
Burst bandwidth	The burst bandwidth feature has been officially released, transitioning from invite-only beta to general availability.	2025-11-27	All	Burst bandwidth fee Configure Burst Bandwidth
FSX Client	A new mount parameter, tos_symlink_mode, has been introduced to configure the symbolic link mode.	2025-11-24	All	Mount parameters
Mirroring rules	Supports configuring the origin server for mirroring rule with both a primary site and a standby site.	2025-11-10	All	Configuring mirroring rules
FSX Client	Supports installing and using the FSX client on operating systems with ARM64 architecture. Improved compatibility in symbolic link scenarios.	2025-11-03	All	Operating environment

October 2025

Feature	Description	Release Date	Region	Related Documents
TOS Browser	Supports using the TOS Browser tool to perform batch processing of TOS data.	2025-10-28	All	Overview
Access point permission	Supports configuring multi-region access point policies to grant accounts permissions on their corresponding buckets, reducing the complexity of managing cross-region and cross-bucket permission policies.	2025-10-27	All	Create multi-region access point policy
Access point permission		Supports configuring independent access control policies for single-region access points. When users access resources in TOS via an access point, they are only allowed to perform operations on authorized resources, under specified conditions, and as permitted by the access point policy. This enables differentiated data access control for different business lines or roles.	2025-10-27	All	Single-region access point overview Create single-region access point Use a single-region access point API Operations Supported by Single-Region Access Point
Storage Lens	Supports the active metrics feature, enabling statistics for bytes uploaded and bytes deleted. Supports exporting the total storage size, upload volume, and deletion volume of a bucket within a specified time range.	2025-10-16	All	Overview Create a dashboard View storage metrics Export Metric Data
Bucket inventory	Supports exporting the access tier of Intelligent Tiering objects via the bucket inventory feature.	2025-10-16	All	Bucket inventory
Multi-region access point	The multi-region access point feature now adds support for Asia Pacific (Jakarta). It is currently available in China (Beijing), China (Shanghai), China (Guangzhou), China (Hong Kong), Asia Pacific (Johor), and Asia Pacific (Jakarta).	2025-10-16	All	Create multi-region access points
Accelerator	The accelerator feature now adds support for Asia Pacific (Johor) Zone B. It is currently available in China (Beijing) Zone E, China (Shanghai) Zone E, China (Guangzhou) Zone C, and Asia Pacific (Johor) Zone B.	2025-10-16	China (Beijing) , China (Shanghai) ,China (Guangzhou) , and Asia Pacific (Johor)	Create accelerator

September 2025

Feature	Description	Release Date	Region	Related Documents
Intelligent Tiering	Supports viewing and exporting the billed storage capacity for frequent access tier of Intelligent Tiering, infrequent access tier of Intelligent Tiering, and flashback archive tier of Intelligent Tiering from the bucket list page. Supports viewing the billed capacity and original capacity of the frequent access tier of Intelligent Tiering, infrequent access tier of Intelligent Tiering, and flashback archive tier of Intelligent Tiering on the Overview and Usage Statistics pages.	2025-09-28	All	Viewing bucket details
Retention policy	Supports configuring retention policies to ensure that objects cannot be deleted or overwritten by anyone within a specified period, enabling a write-once-read-many (WORM) data storage behavior.	2025-09-26	All	Configure Retention Policy (WORM) PutBucketObjectLockConfiguration GetBucketObjectLockConfiguration PutObjectRetention GetObjectRetention
Multi-AZ redundancy	The Multi-AZ redundancy feature now supports additional regions: China (Guangzhou) and Asia Pacific (Johor). It is now available 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	Supports automatically providing temporary additional bandwidth based on actual business usage and the user-defined burst bandwidth limit, ensuring normal business operations during high-load periods.	2025-09-22	All	Configure burst bandwidth Burst bandwidth fee
Event notifications	Supports delivering event changes to the Kafka message queue, enabling you to monitor resource changes within TOS.	2025-09-04	All	Delivering event notifications to Message Queue for Kafka PutBucketNotificationV2 GetBucketNotificationV2
		Hierarchical namespace now supports event notifications.	2025-09-04	All	Console feature list (HNS buckets)
		New event types added to event notifications include: tos:ObjectCreated:Modify, tos:ObjectCreated:Append, tos:ObjectRename, tos:ObjectRemoved:TrashMoved, and tos:LifecycleExpiration:TrashMoved.	2025-09-04	All	Event notification overview
Image Processing Experience Center	Supports using features such as image cropping and watermarking directly in the TOS console, providing visual management of image processing configurations through a graphical interface.	2025-09-04	All	Image Processing Experience Center
Presigned URLs	Supports generating presigned URLs using custom domains bound to a bucket.	2025-09-04	All	Viewing File Details
Object expiration time	Supports adding or modifying an object's expiration time via the SetObjectExpires API.	2025-09-02	All	SetObjectExpires Set expiration times Set object-level expiration time（Java SDK） Set object-level expiration time（Go SDK） Set object-level expiration time（Python SDK）

August 2025

Feature	Description	Release Date	Region	Related Documents
tosutil	Changed the default value of the -p parameter in the download object (cp) command to 5.	2025-08-07	All	Download Object (cp)
tosutil		Added new parameters to the configuration file, as described below: Added the defaultDownloadParallels parameter to set the maximum concurrency for downloading segmented tasks. Added the defaultScanConcurrency parameter to set the concurrency for scanning source data during batch operations. Added the usePrefetchForDownload parameter to enable concurrent prefetch mode for sequentially writing local files when downloading objects. 2025-08-07 \| All Regions	2025-08-07	All	Configuration File Description

July 2025

Feature	Description	Release Date	Region	Related Documents
TLS version	Allows you to set the range of allowed TLS versions, facilitating secure communication using specific TLS protocol versions.	2025-07-31	All	TLS versions PutBucketHttpsConfig GetBucketHttpsConfig
Server-side encryption	Supports the SM4 encryption algorithm for SSE-TOS and SSE-KMS server-side encryption.	2025-07-31	All	Server-side encryption overview Configure server-side encryption for buckets PutBucketEncryption GetBucketEncryption
Preview objects	Enables previewing image, audio, and video files directly in the TOS Console.	2025-07-31	All	Previewing objects
Upload objects	Adds the if-match and if-none-match parameters to perform Etag conditional checks when uploading objects.	2025-07-31	All	PutObject CopyObject CompleteMultipartUpload
Requester Pays	Supports the Requester Pays feature, which shifts data access costs to the requester. The user initiating the data request pays for associated traffic and request fees, while the bucket owner only pays for storage and other related costs.	2025-07-07	All	Configuring Requester Pays PutBucketRequestPayment GetBucketRequestPayment
Lifecycle rules	Supports copying and searching lifecycle rules.	2025-07-07	All	Configuring lifecycle rules based on last modified time Configuring lifecycle rules based on last access time
FSX	The FSX client has graduated from invitation-only preview to general availability.	2025-07-04	All	Overview

June 2025

Feature	Description	Release Date	Region	Related Documents
Log storage	Supports saving TOS access logs as files to a specified bucket, facilitating audit reconciliation and troubleshooting.	2025-06-04	All	Log storage PutBucketLogging GetBucketLogging

May 2025

Feature	Description	Release Date	Region	Related Documents
Accelerator	The accelerator caches frequently accessed files, providing you with low-latency, high-throughput data acceleration services. It is ideal for scenarios requiring high bandwidth and repeated data reads, such as model inference and training, and big data analytics acceleration. tip The TOS Accelerator feature is currently in invitation-only preview. Please contact your account manager to request access.	2025-05-30	China (Beijing), China (Guangzhou), China (Shanghai)	Accelerator overview Create accelerator Create a preheating task Use accelerator
Mirroring rule	The origin pull address for mirror pull-through now supports configuring prefixes and suffixes, as well as replacing file name prefixes.	2025-05-30	All	Configuring mirroring rules
Storage Lens	Supports viewing storage growth for TOP N prefixes to analyze trends in storage growth.	2025-05-30	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor) and China (Hong Kong)	View storage metrics
Automatic cache refresh	Supports using the automatic cache refresh feature to trigger CDN updates, ensuring access to the latest data from the TOS origin.	2025-05-22	China (Beijing), China (Guangzhou), China (Shanghai)	Creating an accelerated domain
Storage Lens	The Storage Lens feature has graduated from invitation-only preview to general availability.	2025-05-20	China (Beijing), China (Guangzhou), China (Shanghai), Asia Pacific (Johor) and China (Hong Kong)	Overview Create a dashboard View storage metrics Typical use cases
Storage type	Cold Archive storage is now available in an additional region: China (Guangzhou), expanding beyond the existing China (Beijing) and China (Shanghai) regions.	2025-05-15	All	Bucket type
Qos policy	The Traffic Throttling Policies feature has graduated from invitation-only preview to general availability.	2025-05-12	All	Qos policy overview Create Qos policy QoS policy use cases

April 2025

Feature	Description	Release Date	Region	Related Documents
tosutil	Modified parameters for the mount command, described as follows: Added the -ntmout parameter to set the negative timeout for the locally mounted file system directory. Added the -cctf parameter to configure whether to calculate the CRC64 value of local temporary files during data write operations. Added the -ntfc parameter to configure whether to use the truncate parameter when creating new files.	2025-04-29	All	Mount bucket as a local file system directory (mount)
tosutil		Changed the default value of skipWriteSucceedRecord to true.	2025-04-29	All	Configuration File Description
Mirroring rule	When a range GET request triggers mirror pull-through, the file is fetched from the origin server and returned to the requester. Added support to configure whether the file should also be written to the bucket during this process.	2025-04-29	All	Configuring mirroring rules
Folder statistics	Supports calculating the number of objects and the total size of objects within a folder.	2025-04-27	All	Folder statistics
Query bucket	Supports retrieving bucket configuration information via the GetBucketInfo API.	2025-04-27	All	GetBucketInfo
Bucket policy	Supports setting bucket policy conditions such as volc:ViaConsole and volc:RequestTagKeys using a visual configuration interface.	2025-04-27	All	Templates and parameters
AIGC	Supports integrating TOS image processing capabilities with the Doubao large model through the AIGC API.	2025-04-27	All	TOS-Doubao AIGC TextToImage ImageToImage

March 2025

Feature	Description	Release Date	Region	Related Documents
tosutil	The cp (download object) and fcp (copy local file) commands now support the -nftr parameter. Additionally, the configuration file includes the noTruncateForCreateNewFile parameter. Both parameters have the same function: to specify whether the Truncate parameter should be used to set the file size when creating a new file.	2025-03-28	All	Download Object (cp) Copy object (cp) Configuration File Description
QoS policy	Added the NotResource and NotPrincipal parameters, which allow you to specify resources and accounts that are exempt from traffic throttling rules.	2025-03-25	All	Qos policy overview Create Qos policy QoS policy use cases
Bucket policy	The NotAction parameter now supports use with "Effect": "Allow", meaning that all actions are permitted except those explicitly specified in NotAction.	2025-03-25	All	Templates and parameters Customize a bucket policy in the vsual view Use NotPrincipal and NotResource to deny access
Multi-region access points	Supports creating multi-region back-to-origin rules. When accessing a bucket via a multi-region access point, if the requested object does not exist in that bucket, TOS will retrieve the object from another bucket under the same multi-region access point and return it to the client.	2025-03-25	All	Create multi-region origin rules
Data processing	The pipe (\|) operator allows chaining multiple data processing tasks. Intermediate results are automatically passed between tasks, and TOS executes them sequentially as defined in the pipeline.	2025-03-25	All	Pipeline
		Supports secure access to private m3u8 files, protecting the content while fulfilling access requirements.	2025-03-25	All	Access private m3u8 files Pm3u8
		The Q parameter in quality transformation now effectively applies to original images in JPEG-2000, AVIF, and HEIC formats.	2025-03-25	All	Quality transformation
		Supports format conversion for HEIC original images.	2025-03-25	All	Format conversion
		Supports video processing for videos with WebM container format and VP8 or VP9 video encoding.	2025-03-25	All	Video processing overview
Custom domain names	Supports setting the access protocol (e.g., HTTP/HTTPS) for custom domain names.	2025-03-25	All	Associating a custom domain PutBucketCustomDomain GetBucketCustomDomain
Hierarchical namespace	Supports a Recycle Bin feature. Once enabled, deleted files or directories are moved to a Recycle Bin directory and are only permanently deleted after a specified expiration period.	2025-03-25	All	Recycle Bin PutBucketTrash GetBucketTrash
Event alerts	Supports configuring alerts for TOS events in Cloud Monitor. When specified events occur, the system sends alert notifications via your designated method (e.g., SMS, email, webhook).	2025-03-10	All	Set event alerts View event information Explanation of flow control event indicators
Multi-region access points	Multi-region access points provide a single, unified global domain name. You can use this domain to access multiple buckets distributed across different regions seamlessly.	2025-03-06	All	Overview of multi-region access points Create multi-region access points Use multi-region access points API operations supported by multi-region access points

February 2025

Feature	Description	Release Date	Region	Related Documents
TOS	TOS was released in English for the first time.	2025-02-05	All	Features

Last updated: 2026.08.24 15:19:59