• stderr on Windows is no longer polluted or empty when redirected
• Added -1/--one-file-system to restrict recursion to the same filesystem
• Added a universal exclusion stack which is currently only used for -X
• Added -X/--exclude to use exclusion stack; supersedes -x/--xsize
• More robust BTRFS enablement behavior in Makefile
• Fixed Unicode display for hard linking on Windows
• Efficiency improvements to internal memory allocator (string_malloc)
• Documentation improvements and updates
• Provide "fdupes_oneline.sh" which emulates old "fdupes -1" feature
• Single file names passed as arguments are now accepted and processed