#1349 - Fixed a bug about move file over limit of ensure space
#1363 - #1366 - #1439 - Fix multiple race conditions
#1365 - Dynamically determine whether lseek extended options are supported
#1374 - Add support for deep archive storage class
#1385 - Plug FdEntity leaks
#1388 - Fix use_session_token option parsing
#1392 - Allow 32-bit platforms to upload single-part objects > 2 GB
#1404 - Fix dead lock in disk insufficient and optimize code
#1408 - Ensure environment variable is set when using ECS
#1413 - not call put headers if not exist pending meta
#1425 - Do not send SSE headers during bucket creation
#1432 - Add sigv4 only option
#1437 - Add atime and correct atime/mtime/ctime operations
#1447 - Fixed a bug that symlink could not be read after restarting s3fs
#1448 - #1467 - Periodically flush written data to reduce temporary local storage
#1449 - Added logfile option for non-syslog logging
#1462 - Add AWS IMDSv2 support
#1502 - #1503 - #1505 - Fix multiple issues when retrying requests

Note: this release restores support for RHEL 6.

Thanks @adamchainz, @bcmyers, @fly3366, @fujitayoshihiko, @kontrollanten, @liuyongqing , @maresb, @nkkashyap, and @nmeyerhans for opening pull requests to improve s3fs!