#s3fs 1.96 released with improved performance and FUSE 3 compatibility:
https://github.com/s3fs-fuse/s3fs-fuse/releases/tag/v1.96 
Release Release version 1.96 · s3fs-fuse/s3fs-fuse
#1867 - Require FUSE 3 on Linux
#2596 - Require C++14
#2623 - Improve IO concurrency
#2669 - Rename -o endpoint to -o region for clarity
#2728 - #2731 - #2736 - Avoid HeadObject calls with improved...
Andrew Gaul