New release version 5.7:

• mkfs:
  • new option to enable features otherwise enabled at runtime, now implemented for quotas, 'mkfs.btrfs -R quota'
  • fix space accounting for small image, DUP and --rootdir
  • option -A removed
• check: detect ranges with overlapping csum items
• fi usage: report correct numbers when plain RAID56 profiles are used
• convert: ensure the data chunks size never exceed device size
• libbtrfsutil: update documentation regarding subvolume deletion
• build: support libkcapi as implementation backend for cryptographic primitives
• core: global options for verbosity (-v, -q), subcommands -v or -q are aliases and will continue to work but are considered deprecated, current command output is preserved to keep scripts working
• other:
  • block group code cleanups
  • build warning fixes
  • more files moved to kernel-shared
  • btrfs-debugfs ported to python 3
  • documentation updates
  • new tests