- find(1p) now supports -print0
  - xargs(1p) now supports the -0 argument
  - newlines in filenames now should throw errors in many utilities
  - a complier implementing the c17 standard is now required
  - ulimit is expanded
  - renice can use relative values
  - a timeout utility has been added
  - make adds support for $^ $+ ::= :::= != ?= +=
  - logger is improved
  - gettext is adopted
  - readlink and realpath are adopted
  - rm now supports -d to remove empty directories and -v for verbose
  - various improvements to printf, sed, test