Updated on 2026-09-20 GMT+08:00

Before You Start

Make sure that you are familiar with basic OBS concepts, such as buckets, objects, access keys (AKs/SKs), and endpoints and domain names.
Some features are available only in certain regions. If the HTTP status code 405 is returned when you call an API, check whether the feature is supported in the region. For details, refer to Functions or submit a service ticket to contact technical support.

The following table lists the feature changes for the Node.js SDK.

**Table 1** Feature changes for the Node.js SDK
Version	Change Type	Feature Changes
Version 3.26.8	New features	New features: Supported the configuration of bucket inventories. Supported the configuration of the default WORM policy for buckets. Supported the configuration of the default WORM policy for objects. Supported the configuration of back-to-source by mirroring rules. Supported truncating an object in a specified bucket to a specified size. Supported the configuration of online decompression policies.
Version 3.26.2	Document optimization	Document optimization: Added the operation guide for configuring direct reading for a bucket, as well as obtaining and deleting the bucket's direct reading configuration. Added the operation guide for restoring Archive or Deep Archive objects. Added the operation guide for obtaining the download progress of an object. Added the sample code for uploading a file in multipart mode. Added the sample code for using MD5 to verify file consistency. Added the sample code for uploading objects in batches. Added the sample code for copying objects in batches. Added the sample code for downloading objects in batches.