• Added support for metadata modification of files bigger than 5 GiB
• Added support for remote copy of files bigger than 5 GiB using MultiPart copy (Damian Martinez, Florent Viard)
• Added progress info output for multipart copy and current-total info in output for cp, mv and modify
• Added support for all special/foreign character names in object names to cp/mv/modify
• Added support for SSL authentication (Aleksandr Chazov)
• Added the http error 429 to the list of retryable errors (#1096)
• Added support for listing and resuming of multipart uploads of more than 1000 parts (#346)
• Added time based expiration for idle pool connections in order to avoid random broken pipe errors (#1114)
• Added support for STS webidentity authentication (ie AssumeRole and AssumeRoleWithWebIdentity) (Samskeyti, Florent Viard)
• Added support for custom headers to the mb command (#1197) (Sébastien Vajda)
• Improved MultiPart copy to preserve acl and metadata of objects
• Improved the server errors catching and reporting for cp/mv/modify commands
• Improved resiliency against servers sending garbage responses (#1088, #1090, #1093)
• Improved remote copy to have consistent copy of metadata in all cases: multipart or not, aws or not
• Improved security by revoking public-write acl when private acl is set (#1151) (ruanzitao)
• Improved speed when running on an EC2 instance (#1117) (Patrick Allain)
• Reduced connection_max_age to 5s to avoid broken pipes as AWS closes https conns after around 6s (#1114)
• Ensure that KeyboardInterrupt are always properly raised (#1089)
• Changed sized of multipart copy chunks to 1 GiB
• Fixed ValueError when using more than one ":" inside add_header in config file (#1087)
• Fixed extra label issue when stdin used as source of a MultiPart upload
• Fixed remote copy to allow changing the mime-type (ie content-type) of the new object
• Fixed remote_copy to ensure that meta-s3cmd-attrs will be set based on the real source and not on the copy source
• Fixed deprecation warnings due to invalid escape sequences (Karthikeyan Singaravelan)
• Fixed getbucketinfo that was broken when the bucket lifecycle uses the filter element (Liu Lan)
• Fixed RestoreRequest XML namespace URL (#1203) (Akete)
• Fixed PARTIAL exit code that was not properly set when needed for object_get (#1190)
• Fixed a possible infinite loop when a file is truncated during hashsum or upload (#1125) (Matthew Krokosz, Florent Viard)
• Fixed report_exception wrong error when LANG env var was not set (#1113)
• Fixed wrong wiki url in error messages (Alec Barrett)
• Py3: Fixed an AttributeError when using the "files-from" option
• Py3: Fixed compatibility issues due to the removal of getchildren() from ElementTree in python 3.9 (#1146, #1157, #1162, # 1182, #1210) (Ondřej Budai)
• Py3: Fixed compatibility issues due to the removal of encodestring() in python 3.9 (#1161, #1174) (Kentaro Kaneki)
• Fixed a crash when the AWS_ACCESS_KEY env var is set but not AWS_SECRET_KEY (#1201)
• Cleanup of check_md5 (Riccardo Magliocchetti)
• Removed legacy code for dreamhost that should be necessary anymore
• Migrated CI tests to use github actions (Arnaud J)
• Improved README with a link to INSTALL.md (Sia Karamalegos)
• Improved help content (Dmitrii Korostelev, Roland Van Laar)
• Improvements for setup and build configurations
• Many other bug fixes