Releases of @aws-sdk/client-s3

745 stable releases, newest first. Release notes are kept for the last 90 days; older ones link to where they were published.

1. 3.1152.0

   14 October 2026

   New Features

   • clients: update client endpoints as of 2026-10-14

   • lib-transfer-manager: publish as a preview package

2. 3.1151.0

   13 October 2026

   New Features

   • clients: update client endpoints as of 2026-10-13

   Show 2 internal changes (docs, tests, tooling)

3. 3.1150.0

   12 October 2026

   New Features

   • clients: update client endpoints as of 2026-10-12

   Bug Fixes

   • core/httpAuthSchemes: skip clock-skew sampling for event-stream outputs

4. 3.1149.0

   9 October 2026

   Bug Fixes

   • lib-transfer-manager: retry UploadPart on worker-thread upload path

   • lib-transfer-manager: avoid full-body copy for SharedArrayBuffer uploads

   Show 1 internal change (docs, tests, tooling)

5. 3.1148.0

   8 October 2026

   Bug Fixes

   • lib-transfer-manager: use the declared checksum algorithm in workers

6. 3.1147.0

   6 October 2026

   New Features

   • clients: update client endpoints as of 2026-10-06

   • client-lambda-web: Removes operations that are not yet generally available from the Lambda Web.

   • lib-transfer-manager: add opt-in O_DIRECT path for file downloads

7. 3.1146.0

   2 October 2026

8. 3.1145.0

   1 October 2026

   New Features

   • clients: update client endpoints as of 2026-10-01

   Bug Fixes

   • lib-transfer-manager: respect file read stream's byte range on upload

   Show all 5 linesShow 1 internal change (docs, tests, tooling)

9. 3.1144.0

   30 September 2026

   New Features

   • clients: update client endpoints as of 2026-09-30

   • client-s3: Amazon S3 adds a new optional S3 Inventory field, IntelligentTieringReferenceDate, reporting the reference date S3 Intelligent-Tiering uses to evaluate an object's tier-transition eligibility. The value is populated for objects in the Intelligent-Tiering storage class and left blank for others.

10. 3.1143.0

    29 September 2026

    Bug Fixes

    • lib-transfer-manager: retry worker path download part failures

    Show 1 internal change (docs, tests, tooling)

11. 3.1142.0

    28 September 2026

    Bug Fixes

    • lib-transfer-manager: bind browser deps via dependency injection

    Show 1 internal change (docs, tests, tooling)

12. 3.1141.0

    25 September 2026

    Only internal changes: docs, tests or tooling.

    Show 1 internal change (docs, tests, tooling)

13. 3.1140.0

    24 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-24

    Show 1 internal change (docs, tests, tooling)

14. 3.1139.0

    23 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-23

15. 3.1138.0

    22 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-22

    Show 2 internal changes (docs, tests, tooling)

16. 3.1137.0

    21 September 2026

17. 3.1136.0

    18 September 2026

    Only internal changes: docs, tests or tooling.

    Show 1 internal change (docs, tests, tooling)

18. 3.1135.0

    17 September 2026

19. 3.1134.0

    16 September 2026

    Bug Fixes

    • lib-transfer-manager: update transfer progress events

    Show 1 internal change (docs, tests, tooling)

20. 3.1133.0

    15 September 2026

    Only internal changes: docs, tests or tooling.

    Show 1 internal change (docs, tests, tooling)

21. 3.1132.0

    14 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-14

22. 3.1131.0

    11 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-11

    Show 1 internal change (docs, tests, tooling)

23. 3.1130.0

    10 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-10

24. 3.1129.0

    9 September 2026

    New Features

    • dynamic-client: create untyped clients from Smithy JSON AST

25. 3.1128.0

    8 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-08

    • client-s3: Adds support for Amazon S3 Object Lock variable retention. Existing S3 APIs that support S3 Object Lock parameters now support two new parameters EventHold and EventHoldDuration at the object level, and DefaultEventHoldDuration at the bucket level.

    Bug Fixes

    Show all 5 lines

26. 3.1127.0

    4 September 2026

27. 3.1126.0

    3 September 2026

    New Features

    • lib-transfer-manager: add download directory functionality

28. 3.1125.0

    2 September 2026

    Bug Fixes

    • cloudfront-signer: preserve plus in query strings when signing URLs

29. 3.1124.0

    1 September 2026

    New Features

    • clients: update client endpoints as of 2026-09-01

30. 3.1123.0

    31 August 2026

    New Features

    • client-agent-registry: Release HTTP and AGUI descriptors to the dataplane model

    Bug Fixes

    • credential-provider-node: handle passive credential refresh rejection

31. 3.1122.0

    31 August 2026

32. 3.1121.0

    28 August 2026

33. 3.1120.0

    27 August 2026

34. 3.1119.0

    26 August 2026

    Only internal changes: docs, tests or tooling.

    Show 1 internal change (docs, tests, tooling)

35. 3.1118.0

    25 August 2026

    New Features

    • clients: update client endpoints as of 2026-08-25

36. 3.1117.0

    24 August 2026

37. 3.1116.0

    21 August 2026

    Only internal changes: docs, tests or tooling.

    Show 2 internal changes (docs, tests, tooling)

38. 3.1115.0

    20 August 2026

39. 3.1114.0

    19 August 2026

    New Features

    • lib-transfer-manager: add file based download api and worker thread based download.

40. 3.1113.0

    18 August 2026

    Bug Fixes

    • token-providers: update SSO refresh throttle per session

    Show 1 internal change (docs, tests, tooling)

41. 3.1112.0

    17 August 2026

42. 3.1111.0

    14 August 2026

    New Features

    • clients: update client endpoints as of 2026-08-14

    Show 2 internal changes (docs, tests, tooling)

43. 3.1110.0

    13 August 2026

44. 3.1109.0

    12 August 2026

45. 3.1108.0

    11 August 2026

    New Features

    • clients: update client endpoints as of 2026-08-11

    Bug Fixes

    • lib-transfer-manager: optimize worker HTTP connections and file I/O

    Show 3 internal changes (docs, tests, tooling)

46. 3.1107.0

    10 August 2026

    Only internal changes: docs, tests or tooling.

    Show 2 internal changes (docs, tests, tooling)

47. 3.1106.0

    7 August 2026

    New Features

    • clients: update client endpoints as of 2026-08-07

48. 3.1105.0

    6 August 2026

    New Features

    • clients: update client endpoints as of 2026-08-06

    • client-s3: AWS Backup now lets you create read-only access points for Amazon S3 recovery points, enabling you to access backup data using S3 APIs without initiating a restore.

    Show 1 internal change (docs, tests, tooling)

49. 3.1104.0

    5 August 2026

50. 3.1103.0

    4 August 2026

    Bug Fixes

    • core/protocols: fix number precision check

    Show 1 internal change (docs, tests, tooling)