Issues

• ReadFileChunk.read() with a negative size reads past the end of the chunk

  boto/s3transfer#422 · Filter by author rioyu123 opened on Oct 10, 2026

• Support parallel multipart upload of non-seekable fileobj

  boto/s3transfer#366 · Filter by author athewsey opened on Jan 9, 2026

• [Feature Request] Support BucketKeyEnabled for upload_file

  boto/s3transfer#355 · Filter by author jed326 opened on Aug 7, 2025
  1

• Failed final renaming when downloading to a network volume

  boto/s3transfer#346 · Filter by author gillesdegottex opened on May 22, 2025
  2

• Request: surface object metadata

  boto/s3transfer#340 · Filter by author crowecawcaw opened on Apr 1, 2025

• Add support for retrying checksum errors on upload/download

  boto/s3transfer#333 · Filter by author jamesls opened on Jan 29, 2025

• Input *.png of type: InMemoryUploadedFile is not supported.

  boto/s3transfer#322 · Filter by author Enorio opened on Dec 20, 2024

• Should the multipart upload threshold be set higher than 8 MB

  boto/s3transfer#321 · Filter by author ArpStorm1 opened on Dec 4, 2024

• [question] Streaming download equivalent to boto3's StreamingBody from get_object?

  boto/s3transfer#314 · Filter by author jonathanunderwood opened on Aug 14, 2024

• CRTTransferManager.shutdown() fails silently

  boto/s3transfer#307 · Filter by author cboin1996 opened on Jun 7, 2024

• on_done not called when token has expired

  boto/s3transfer#304 · Filter by author daveisfera opened on May 3, 2024

• future required in callbacks for BaseSubscriber

  boto/s3transfer#296 · Filter by author daveisfera opened on Dec 8, 2023

• RFE: is it possible to start making github releases?🤔

  boto/s3transfer#288 · Filter by author kloczek opened on Nov 28, 2023

• extra_args not being passed to get_object in MultipartDownloader

  boto/s3transfer#256 · Filter by author cfxegbert opened on Nov 11, 2022

• SlidingWindowSemaphore uses TaskSemaphore as a base class

  boto/s3transfer#251 · Filter by author cfxegbert opened on Nov 5, 2022

• TransferCoordinator.results() hangs after cancel() is called

  boto/s3transfer#249 · Filter by author cfxegbert opened on Nov 5, 2022

• Support multipart downloads when downloading large ranges via TransferManager.download()

  boto/s3transfer#248 · Filter by author forrestfwilliams opened on Nov 2, 2022
  8

• s3_client.copy() drops metadata for small files

  bugneeds-reviews3
  boto/s3transfer#246 · Filter by author cariaso opened on Jul 26, 2022
  10

• S3.Object.copy() fails with multipart and ChecksumAlgorithm

  boto/s3transfer#241 · Filter by author rapkyt opened on Jun 7, 2022
  3

• TransferManager.copy uses ExpectedBucketOwner in head_object request on source object

  boto/s3transfer#232 · Filter by author pierre-muller opened on Feb 24, 2022
  1

• test_compat.py fails on MacOS and python 3.8+

  boto/s3transfer#229 · Filter by author lamdor opened on Jan 20, 2022

• RuntimeError: cannot schedule new futures after interpreter shutdown

  boto/s3transfer#197 · Filter by author lphuberdeau opened on May 18, 2021
  1

• Supporting SSEKMSEncryptionContext when s3 upload extra_arg allow list, Invalid extra_args key 'SSEKMSEncryptionContext', must be one of:

  boto/s3transfer#172 · Filter by author annguojia opened on Dec 22, 2020

• Avoid unnecessary head_object requests

  boto/s3transfer#170 · Filter by author neg3ntropy opened on Nov 23, 2020
  1

• TransferManager.shutdown() is not functional

  boto/s3transfer#143 · Filter by author JasonDeArte opened on Oct 20, 2019
  2