6.0

• Drop support for node 6 and 8
• fix symlinks and hardlinks on windows being packed with \-style path targets

5.0

• Address unpack race conditions using path reservations
• Change large-numbers errors from TypeError to Error
• Add TAR_* error codes
• Raise TAR_BAD_ARCHIVE warning/error when there are no valid entries found in an archive
• do not treat ignored entries as an invalid archive
• drop support for node v4
• unpack: conditionally use a file mapping to write files on Windows
• Set more portable 'mode' value in portable mode
• Set portable gzip option in portable mode

4.4

• Add 'mtime' option to tar creation to force mtime
• unpack: only reuse file fs entries if nlink = 1
• unpack: rename before unlinking files on Windows
• Fix encoding/decoding of base-256 numbers
• Use stat instead of lstat when checking CWD
• Always provide a callback to fs.close()

4.3

• Add 'transform' unpack option

4.2

• Fail when zlib fails

4.1

• Add noMtime flag for tar creation

4.0

• unpack: raise error if cwd is missing or not a dir
• pack: don't drop dots from dotfiles when prefixing

3.1

• Support @file.tar as an entry argument to copy entries from one tar file to another.
• Add noPax option
• noResume option for tar.t
• win32: convert >|<?: chars to windows-friendly form
• Exclude mtime for dirs in portable mode

3.0

• Minipass-based implementation
• Entirely new API surface, tar.c(), tar.x() etc., much closer to system tar semantics
• Massive performance improvement
• Require node 4.x and higher

0.x, 1.x, 2.x - 2011-2014

• fstream-based implementation
• slow and kinda bad, but better than npm shelling out to the system tar