• Experimental support for arithmetic coding (enable with configure option --with-arith)
• Add option --nofix
• Support for JFIF Extension (JFXX) markers
• Support for nanosecond timestamps (thanks to GerbilSoft)
• Optimization now works same with stdin as with standard files
• Fixed --size (-S) option not working correctly when processing multiple files
• New --keep-* options to use with --strip-all (see man page)
• Other minor fixes