Last updated: 2025-03-17 19:23:14
Release Notes
Last updated: 2025-03-17 19:23:14
February 2025
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Intelligent tiering supports new regions. | Intelligent tiering newly supports the Virginia region. | 2025-02-17 | |
May 2024
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Change of service suspension policy for overdue pay-as-you-go (postpaid) payment | The service suspension policy for overdue pay-as-you-go (postpaid) payment of COS is changed. After your account is overdue, the default data retention period in COS is adjusted from 120 days to 15 days. | 2024-05-15 | |
February 2024
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Resource packs supported | COS supports six types of resource packs, including STANDARD storage package, STANDARD_IA storage package, STANDARD request package, STANDARD_IA request package, Public network downstream traffic package, and Global acceleration traffic package. | 2024-02-20 | |
January 2024
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Storage capacity price reduction | The published prices for the following storage capacities of COS will be adjusted: STANDARD, MAZ_STANDARD, STANDARD_IA, MAZ_STANDARD_IA, ARCHIVE, INTELLIGENT_TIERING. | 2024-1-15 | |
November 2023
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Select feature unit price reduction | The published prices in COS Management Features - Select Feature have been adjusted. For the public cloud in the Frankfurt region, the Select feature (including STANDARD Select feature, STANDARD_IA Select feature, MAZ_STANDARD Select feature, and MAZ_STANDARD_IA Select feature) is now priced at 0.00225 USD/GB. | 2023-11-15 | |
January 2023
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Launched global acceleration domain for private access | With global acceleration domain for private access, you can quickly enable cross-region access to COS over a private network. | 2023-01-13 | |
December 2022
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Launched the image coloring feature | Accurately restores the color of complex scenes, thereby quickly restoring old photos. | 2022-12-12 | Image Coloring |
Launched the smart image cropping feature | Intelligently analyzes the entity in an image and crops the image to adapt to different size requirements of PCs, mobile phones, and TV screens. | 2022-12-12 | Smart Image Cropping |
Launched the image enhancement feature | Intelligently analyzes low quality photos containing many blurs and noises, and enhances definition to beautify the photos. | 2022-12-12 | Image Enhancement |
Launched the video keying feature | Identifies the human body in a video, performs high-precision segmentation on the human figure, and returns the result video of the human body region. | 2022-12-12 | Video Keying |
November 2022
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Launched the file processing feature | New file processing APIs are launched, including file hash calculation, file decompression, and multi-file zipping and merging. | 2022-11-21 | File Processing Overview |
October 2022
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Launched billing by bucket and cost allocation by tag features | COS supports billing by bucket and cost allocation by tag, which are currently made available through an allowlist and will be fully available starting from December 1, 2022. You can view the usage and costs of billable items for each bucket through bills by instance (L2) or bill details (L3). You can also view costs by bucket by setting cost allocation tags. | 2022-10-28 | |
Supported automatic backup of live streams to buckets in live stream moderation | The live stream dumping feature is added, thereby meeting live stream retention and backup requirements. | 2022-10-28 | |
Supported fast speech recognition | On the basis of the existing speech recognition jobs, the fast speech recognition configuration is added to support higher recognition efficiency. | 2022-10-20 | Speech Recognition |
September 2022
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Supported creation of batch data processing jobs | You can create batch data processing jobs based on existing data workflows and jobs. You can specify a file list or an inventory file to perform audio/video transcoding jobs and other jobs in batches. | 2022-09-06 | |
Supported adaptive bitrates in audio/video transcoding | You do not need to care about video encoding parameters. COS will automatically get better encoding quality at a smaller bitrate. | 2022-09-06 | Submitting Audio/Video Transcoding Job |
Supported TDMQ/CMQ message queues in workflow callback | Data workflow callback configuration supports TDMQ/CMQ message queues. | 2022-09-06 | |
Supported accelerated video transcoding | In audio/video transcoding jobs, the accelerated transcoding capability is added, which is applicable to media scenes with long duration, large files, and high transcoding timeliness requirements and production of ultra HD videos with large data volume. The accelerated transcoding can deliver up to 30 times faster transcoding. | 2022-09-06 | Submitting Audio/Video Transcoding Job |
Changed from monthly settlement to daily settlement | Starting from July 1, 2022, COS storage usage, request, and data retrieval fees were changed from monthly settlement to daily settlement for accounts in batches. The daily settlement mode was fully launched on September 1, 2022. | 2022-09-01 | |
August 2022
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Launched the image repair feature | Recognizes the entity in a specified area in the image to be repaired, and fills in the image texture similar to the surrounding area. It is suitable for commercial photography post-production, social entertainment content production, and other scenarios. | 2022-8-15 | Image Repair |
Launched the image matting feature | Recognizes the product entity in an image and removes background information to obtain a product material with a transparent background. It is suitable for intelligent generation of e-commerce posters, personalized product recommendation, and other features. | 2022-8-15 | Image Matting |
July 2022
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Launched the text to speech feature | You can convert text to natural-sounding and smooth speeches in a variety of voices. | 2022-07-01 | |
Launched the video quality scoring feature | You can perform no-reference image quality assessment (NR-IQA) on videos. | 2022-07-01 | Video quality scoring |
June 2022
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Launched the custom risk library feature for content moderation | You can customize a risk library to specify the content to be blocked as needed. | 2022-06-30 | Setting a Custom Risk Library |
Launched the live stream moderation feature | You can moderate live streams to detect non-compliant content, including pornographic, advertising, and illegal content. | 2022-06-30 | Live broadcast review |
Launched the audio noise cancellation feature | You can remove noise from audios/videos. | 2022-06-30 | Audio noise cancellation |
Updated the video tagging feature | The system can recognize tags such as scene, object, and person and return the time and coordinates. | 2022-06-30 | Video tagging |
Launched the abnormal image detection feature | The system can recognize abnormal images, such as images with TS video streams, to prevent hotlinking. | 2022-06-17 | |
May 2022
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Launched the moderation result reporting feature | You can report moderation results that are not as expected. | 2022-05-25 |
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Optimized the document preview feature | The document-to-HTML conversion feature allows you to pass in parameters through JSON to the download link to directly adjust the advanced page settings. The printing prevention feature is added. | 2022-05-15 | |
April 2022
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Launched cross-region replication traffic packs | Cross-region replication traffic packs can be used to deduct fees for cross-region replication traffic. | 2022-04-28 |
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Launched DEEP ARCHIVE in Singapore region | Objects can be uploaded to DEEP ARCHIVE in Singapore region. | 2022-04-25 | |
Supported policy-level data for content moderation | The system can display the data such as moderation details and statistics by moderation policy. | 2022-04-21 |
Moderation Details |
Supported the multi-AZ feature in Shanghai region | When creating buckets in Shanghai region, you can enable the multi-AZ feature to implement intra-region disaster recovery. | 2022-04-08 | |
March 2022
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Supported association of custom service fields in content moderation | You can associate service fields such as user nickname, IP address, and room number with moderation. If service fields are carried when moderation is initiated, these fields will be returned in the moderation result for subsequent handling. | 2022-03-25 | Content Moderation Overview |
Launched smart toolbox | Smart toolbox is an easy-to-use data processing tool integrating both COS and CI features, including image compression, video transcoding, document preview, and AI-enabled content recognition. | 2022-03-21 | |
Launched the COS log analysis feature | The log analysis feature can aggregate and analyze log files generated in the specified time period to extract key metric values for display. | 2022-03-21 | |
Launched common feature templates for custom functions | You can use the custom function processing feature of SCF and data processing workflow together to write core code logic in order to flexibly implement your business needs while reducing your development costs. | 2022-03-21 | |
Started the beta test of the video digital (blind) watermark feature | The digital watermark technology hides images and text in the video as watermarks without compromising the video integrity and watch experience. | 2022-03-09 | |
Supported triggering of inventory directories in workflows | Workflows support triggering and execution of inventory files in an existing entire directory. | 2022-03-09 | |
February 2022
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Launched the media processing feature in Frankfurt region | The media processing feature is launched in Frankfurt region (eu-frankfurt). | 2022-02-17 | |
Launched the H.265 video transcoding feature | H.265 is a more advanced video codec than H.264. It makes videos smaller to save access bandwidth. | 2022-02-17 | |
Launched the TESHD transcoding feature | The TESHD transcoding feature improves the subjective image quality of a video at a lower bitrate. It makes videos smaller and clearer. | 2022-02-17 | |
October 2021
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Supported the blind watermarking feature in all regions | The blind watermarking feature is newly available in all regions outside the Chinese Mainland. It is available in all public cloud regions. | 2021-10-21 | |
Launched the media processing - audio/video segmentation feature | The audio/video segmentation feature can divide an audio or video into several segments of the specified duration. It allows you to change the container format of the audio or video segments during segmentation. | 2021-10-14 | |
Launched the media processing - super resolution feature | The super resolution feature reconstructs the details and local features of a video by recognizing its content and contour so as to generate a high-resolution video image through a series of low-resolution video images. It can be used in combination with video enhancement to remaster old videos. | 2021-10-14 | |
September 2021
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Reduced the unit price of object tags | The published prices of COS are adjusted. The public cloud prices for regions in and outside the Chinese mainland are reduced to 0.00025817 USD/10,000 tags/day and 0.0003098 USD/10,000 tags/day, respectively. | 2021-09-30 | |
Reduced the unit price of DEEP ARCHIVE read/write requests | The published prices of COS are adjusted. The public cloud prices for all regions are reduced to 0.07 USD/10,000 requests. | 2021-09-30 | |
August 2021
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Launched the file preview/edit features | You can quickly preview files in buckets and edit text files in the console. | 2021-08-05 | |
Launched the folder sharing feature | You can generate a folder's URL and password and set the URL validity period in the console. | 2021-08-05 | |
Launched the media processing - video enhancement feature | Media processing provides a series of features, including details enhancement, color enhancement, and SDR to HDR conversion, to enhance the video image quality for better visual effect. | 2021-08-03 | |
Launched the media processing - custom function processing feature | If the existing services or features of media processing cannot meet your needs, you can use the custom function processing feature of SCF to write core code logic in order to flexibly implement your business needs while reducing your development costs. | 2021-08-03 | |
Launched the media processing - video encryption feature | The HLS standard encryption capability is added to ensure the security of your video data. | 2021-08-03 | How to Prevent Video Disclosure via HLS Encryption |
July 2021
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Launched the custom risk library feature for content moderation | You can use custom risk libraries to manage files that need to block or pass. Based on different uses, the custom risk libraries are classified into black libraries (illegal files) and white libraries (normal files). | 2021-07-16 | Setting a Custom Risk Library |
Launched DEEP ARCHIVE in Chongqing region | Objects can be uploaded to DEEP ARCHIVE in Chongqing region. | 2021-07-07 | |
June 2021
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Launched the media processing - TESHD transcoding feature | TESHD transcoding makes videos smaller and clearer. It delivers a better visual experience with guaranteed low network resource usage. | 2021-6-26 | |
Launched the media processing - HDR-to-SDR feature | HDR-to-SDR converts the dynamic range of videos in the cloud. It makes the image details of the output video as close as possible to those of the original video. | 2021-6-26 | |
Launched the media processing - video montage feature | This feature recognizes and aggregates the video content, postures, and scenes to quickly clip them professionally. | 2021-6-26 | |
Launched the media processing - voice/sound separation feature | This feature separates the voice from the background sound in a video material to generate a new independent audio file. Then, you can apply artistic processing of other styles to the material. | 2021-6-26 | |
Launched the media processing - HLS adaptive compression feature | Adaptive multi-bitrate video files can be generated quickly for different video players, browsers, and distribution platforms. | 2021-6-26 | |
May 2021
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Launched Diagnostic Tool | A web tool for troubleshooting error requests | 2021-05-27 | |
Launched CDN Log Backup | An SCF-based feature that helps users save CDN logs to COS to monitor and analyze access behaviors, service quality, and more. | 2021-05-24 | |
Launched TDMQ Message Backup | An SCF-based feature that helps users save TDMQ messages to COS to facilitate data analysis and downloads. | 2021-05-24 | |
April 2021
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Launched DEEP ARCHIVE in Tokyo region | Objects can be uploaded to DEEP ARCHIVE in Tokyo region. | 2021-04-29 | |
Launched the text moderation feature | The text moderation feature can check text content for pornographic, non-compliant, illegal, advertising, and abusive information. | 2021-04-06 | Setting Text Moderation |
Supported full moderation for existing data | You can create a full moderation job to batch moderate existing image, video, audio, and text files in a bucket at a time. | 2021-04-06 | Setting a Full Moderation Job |
Launched Log Cleansing | An SCF-based feature for log processing. If you upload logs or enable Logging, the cloud function preset by COS will be triggered, which cleanses logs using the SQL expression you set in the function. | 2021-04-02 | |
Launched CKafka Message Backup | An SCF-based feature that helps users save CKafka messages to COS to facilitate data analysis and downloads. | 2021-04-02 | |
March 2021
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Launched the data workflow feature | Data workflow is a new data processing service launched by COS. It offers two features: workflow and job, which can perform media processing on new and existing data, such as audio/video transcoding, video frame capturing, video conversion to animated images, intelligent thumbnail, and audio/video splicing. | 2021-03-20 | |
Launched DEEP ARCHIVE in Nanjing region | Objects can be uploaded to DEEP ARCHIVE in Nanjing region. | 2021-03-01 | |
February 2021
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Launched Cloud Database Backup | An SCF-based feature that helps save TencentDB backups to COS to avoid data loss or corruption. | 2021-02-02 | |
January 2021
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Image processing supported all public cloud regions | Image processing adds support for public cloud regions outside the Chinese Mainland. In other words, image processing is now available for COS public cloud regions. | 2021-01-20 |
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December 2020
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Launched Origin-Pull Disaster Recovery | Configuring a backup origin server for COS origin-pull is now supported. In this way, if the origin-pull fails, you can quickly switch to the backup origin-pull address to ensure business smoothness. | 2020-12-28 | |
Launched the sync origin-pull feature | If sync origin-pull is enabled, COS will directly pull data from the origin server and return the data to the client without returning the 3xx redirection status code. | 2020-12-17 | |
Upgraded the COS Batch Operation feature | 1. Supports copying, adding, and modifying the object tag and metadata during batch copy.2. Optimizes the backend processing logic. Resources are dynamically allocated according to the file quantity, improving the processing efficiency by 50%. | 2020-12-09 | |
November 2020
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Released COSDistCp | COSDistCp is a MapReduce-based distributed file copy tool mainly used for data copy between HDFS and COS. | 2020-11-27 | |
Launched INTELLIGENT TIERING | The INTELLIGENT TIERING storage class provides a hot/cold data tiering mechanism. It can automatically switch the hot and cold tiers of your data according to the data access mode, thereby reducing your storage costs. | 2020-11-12 | |
October 2020
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Launched the image advanced compression and audio moderation features | 1. The image advanced compression feature allows you to easily convert images into formats that provide a high compression ratio, such as TPG and HEIF. This effectively reduces the transmission time, loading time, and the cost of bandwidth and traffic.2. The audio moderation feature can check audio content for pornographic, illegal, and advertising information. | 2020-10-16 |
Content Moderation Overview |
Launched the media processing feature | The media processing feature can perform four processing operations on video files in buckets: file transcoding, video frame capturing, video conversion to animated images, and intelligent thumbnail. | 2020-10-15 | |
September 2020
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Iterated the lifecycle feature and launched the bucket overview page | 1. The lifecycle feature supports transitioning the historical versions of files to other storage classes. For buckets with multi-AZ configuration enabled, data can be transitioned to MAZ_STANDARD_IA through lifecycle. 2. The COS console provides a global overview of individual buckets, allowing you to view the usage, basic bucket information, and feature and alarm configurations. | 2020-09-28 |
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Launched DEEP ARCHIVE | The DEEP ARCHIVE storage class provided by COS enables you to archive massive amounts of data for a long time. It offers high cost-effectiveness comparable to that of tape storage to reduce your long-term storage costs. | 2020-09-16 | |
August 2020
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Launched the speech recognition feature | Speech recognition is based on CI. Once enabled, it recognizes recording files in buckets and asynchronously returns recognized text. | 2020-08-28 | Speech Recognition Overview |
Iterated the origin-pull and lifecycle features | 1. You can set the specific path to redirect to after an origin-pull rule is triggered, configure multiple origin-pull rules, and modify priorities.2. Lifecycle rules can be applied to specified object tags. | 2020-08-05 |
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July 2020
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Launched the video moderation feature | Based on Tencent Cloud Infinite, the video moderation service can moderate video files. | 2020-07-23 | Content Moderation Overview |
Launched the MAZ_STANDARD_IA class and the document preview feature | 1. COS launched a new storage class MAZ_STANDARD_IA. 2. Based on Tencent Cloud Infinite, the document preview service allows you to preview document files in buckets online without download. | 2020-07-03 |
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Launched the CDN cache purge feature | CDN cache purge is a data purge feature provided by COS based on the SCF service. It can automatically purge the data cached on CDN edge servers. | 2020-07-01 | |
June 2020
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Launched the image moderation feature | Based on Tencent Cloud Infinite, the image moderation service can scan image files stored in COS for pornographic, illegal, and advertising information. | 2020-06-23 | Content Moderation Overview |
March 2020
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Launched the features of object tagging and file decompressionRedesigned the console | 1. The overview page on the console has been redesigned, allowing you to access Cloud Monitor alarm settings, service release notes, and associated services.2. The file decompression feature is available.3. The object tagging feature is available, enabling you to group and manage objects stored in COS using tags.4. The bucket list now supports sorting, filter by region, and export. | 2020-03-30 |
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Launched the image processing feature | COS is integrated with Cloud Infinite media solutions to offer various features such as image processing, moderation, and recognition. You can process media data through the COS upload and processing APIs. | 2020-03-13 | |
Launched the global acceleration feature | Tencent Cloud COS now offers global acceleration so that end users around the globe can quickly access your bucket, giving you a better business experience with higher business access success rate and business stability. | 2020-03-10 | |
February 2020
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Launched MAZ_STANDARD | Tencent Cloud Object Storage launches a multi-AZ storage architecture, which provides data center-level disaster recovery for user data. | 2020-02-25 |
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December 2019
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Added support for the Nanjing (China) region | COS is available in the new Nanjing (China) Region (ap-nanjing). | 2019-12-19 | |
Launched the bucket encryption feature | By setting bucket encryption, you can now encrypt all newly objects uploaded to a bucket with the specified server-side encryption method by default. | 2019-12-16 | |
October 2019
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Launched the batch operation feature | The batch operation feature allows you to perform a specified operation on a specified list of objects in a bucket. | 2019-10-22 | |
Launched the COS Select feature | The COS Select feature uses Structured Query Language (SQL) statements to filter the objects stored in COS so as to extract a specific object and get the desired data. | 2019-10-09 | |
August 2019
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Launched the logging feature | The logging feature records access details of the specified source bucket, and store them as log files in the specified destination bucket for better bucket management. | 2019-08-29 | |
June 2019
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Launched the versioning feature | By enabling versioning, you can store multiple versions of an object in a bucket. | 2019-06-20 | |
Launched Cross-Bucket Replication | After a cross-bucket replication rule is configured, incremental objects can be automatically replicated asynchronously from and to buckets across different regions. | 2019-06-20 | |
Added support for custom endpoints | You can associate a custom domain name to the current bucket, and access the objects in the bucket via the custom domain name. | 2019-06-10 | |
Launched the inventory feature | Inventory is a feature that helps you manage objects in a bucket and can gradually replace the List API operation in COS. | 2019-06-03 | |
May 2019
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Launched the bucket tagging feature | A tag can be used as an identifier for easier bucket grouping and management. | 2019-05-10 | |
April 2019
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Launched the feature of direct upload to COS archive | You can now upload objects directly into COS ARCHIVE storage class. | 2019-04-26 | |
November 2018
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Canceled forced pop-up download prompt for the default domain name in regions outside the Chinese mainland | For regions outside the Chinese mainland, COS now allows users to directly use a domain name provided by Tencent Cloud to open a recognizable object in their browser and no longer requires binding a custom domain name. | 2018-11 | - |
October 2018
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Added support for managing access permissions through policies and ACLs | Users are now able to manage access permissions through policies and ACLs. You can specify who can perform the operation, what operation can be performed, and under what conditions. This helps meet permission management needs in multiple dimensions, both at the team-level and resource-level. | 2018-10 | - |
August 2018
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Added support for the Tokyo (Japan) region | COS is available in the new Tokyo (Japan) Region (ap-tokyo). | 2018-08 | |
Provided new COS console in Beta |
Supported more regionsThe new console uses new APIs and supports more regions. Added featuresThe new console supports new features such as lifecycle management.Note:1. Documents that describe COS features and examples will be updated as per the new console.2. Subsequently, new features will only be launched in the new console and will no longer be available in the old console. | 2018-08 | |
June 2018
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Released the COS plugin for Hadoop to support big data scenarios | The COS plugin for Hadoop is officially released and can be directly imported into the Hadoop environment. After modifying the `core-site.xml` configuration file, you can directly access data stored in COS over the `cosn://` protocol. | 2018-06 | |
Added support for binding a private bucket to CDN for access | COS supports access through CDN. In addition to public buckets, you can now also bind private buckets to CDN for access. In addition, after CDN security authentication is enabled, your data will be protected in the CDN edge cache while enjoying global CDN acceleration. | 2018-06 | - |
May 2018
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Added support for the Bangkok regions | COS is now available in more new regions around the globe, including Bangkok (ap-bangkok) regions. | 2018-05 | |
April 2018
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Added support for request creation with PATH | In addition to supporting virtual hosted domain names, COS now also supports access through domain name paths. A request to a regional root node `cos.[region].myqcloud.com` will return the bucket and object information of the region. This is compatible with AWS S3 access methods and AWS Authentication V4 signatures. After configuring the corresponding keys and nodes, you can directly access COS by using various S3 code and tools. | 2018-04 | - |
Added support for the Silicon Valley, Virginia (Ashburn), Seoul, and Mumbai regions | COS is now available in the Silicon Valley (na-siliconvalley), Virginia (Ashburn, na-ashburn), Seoul (ap-seoul), and Mumbai (ap-mumbai) regions. | 2018-04 | |
December 2017
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Added support for daily billing of COS traffic | To keep you updated on traffic usage and fees, the billing period for COS traffic is changed from monthly to daily, while other billable items are still billed monthly. | 2017-12-15 | |
September 2017
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Added support for COS in more regions around the globe | COS is now available in the Chengdu, Hong Kong (China), Singapore, and Frankfurt regions, providing global users with the ability to store and access data nearby. The public network traffic prices in the Chinese mainland are reduced. | 2017-09 | |
