This topic provides the release notes for Elastic Block Storage (EBS) features.

December 16, 2025

Feature	Description	Supported regions	Stage	Related documentation
Elastic remote volumes	EBS now offers elastic remote volumes, which are suitable for temporary data storage due to their high throughput, high IOPS, and cost-effectiveness.	All regions	Beta	Elastic remote volumes

November 24, 2025

Feature	Description	Supported regions	Stage	Related documentation
Snapshots	You can now create up to 256 manual snapshots and 1,024 automatic snapshots for each volume.	All regions	GA	Snapshot overview Creating snapshots Creating an auto snapshot policy Creating a snapshot group

November 14, 2025

Feature	Description	Supported regions	Stage	Related documentation
Storage placement groups	You can now use the console to associate your volumes with a placement group and assign sub-placement groups to different volumes. Based on metrics such as cluster health and load, the system deploys volumes with different sub-placement group numbers to different clusters, thereby achieving data isolation and protection.	All regions	GA	Managing placement groups

November 1, 2025

Feature	Description	Supported regions	Stage	Related documentation
ESSD FlexPL volumes	The average random write latency for newly created ESSD FlexPL volumes is 0.2 ms in some availability zones and 0.3 to 0.5 ms in others.	China (Beijing), China (Shanghai), and Asia Pacific (Johor)	GA	Volume specifications ESSD FlexPL volumes

October 14, 2025

Feature	Description	Supported regions	Stage	Related documentation
Sharing a snapshot with other accounts	You can now share snapshots with other accounts. Recipients can use the shared snapshot to create volumes.	All regions	GA	Sharing a snapshot with other accounts
Querying volume pricing details	You can now use the CalculatePriceV2 API to query volume pricing details.	All regions	GA	CalculatePriceV2

September 26, 2025

Feature	Description	Supported regions	Stage	Related documentation
Total snapshot size	You can now view the size of all snapshots in a snapshot chain.	All regions	GA	Viewing snapshot chains DescribeSnapshotChains

August 21, 2025

Feature	Description	Supported regions	Stage	Related documentation
Enabling anti-affinity for volumes	You can now use APIs to associate your volumes with a placement group and assign sub-placement groups to different volumes. Based on metrics such as cluster health and load, the system deploys volumes with different sub-placement group numbers to different clusters, thereby achieving data isolation and protection.	All regions	GA	CreateVolume CreatePlacementGroup DescribePlacementGroups DescribePlacementGroupDetails ModifyPlacementGroup DeletePlacementGroup

August 6, 2025

Feature	Description	Supported regions	Stage	Related documentation
Additional performance	You can now modify additional performance settings for multiple TSSD volumes and ESSD FlexPL volumes at once.	All regions	GA	TSSD volumes ESSD FlexPL volumes
Volume specifications	You can now change the type of volumes in batches.	All regions	GA	Changing the volume type

May 16, 2025

Feature	Description	Supported regions	Stage	Related documentation
Snapshots	You can now create up to 64 manual and 256 automatic snapshots for each volume, instead of the previous limits of 10 manual and 64 automatic snapshots.	All regions	GA	Constraints and limitations Creating snapshots Creating an auto snapshot policy Creating a snapshot group CreateSnapshot CreateAutoSnapshotPolicy CreateSnapshotGroup

March 21, 2025

Feature	Description	Supported regions	Stage	Related documentation
Instant access snapshots	EBS now supports instant access snapshots. You can create a new volume using a snapshot without waiting for the snapshot to finish being created.	All regions	GA	Instant access snapshots

March 11, 2025

Feature	Description	Supported regions	Stage	Related documentation
Reinitializing a volume	You can reinitialize volumes, which means you can restore them to their initial state.	All regions	GA	Reinitializing a volume ReInitializeVolume

January 10, 2025

Feature	Description	Supported regions	Stage	Related documentation
Reserved Storage Capacity	You can now use the PurchaseReservedStorageCapacity API to set the EffectiveAt parameter, which specifies the effective time for a Reserved Storage Capacity voucher.	All regions	GA	PurchaseReservedStorageCapacity