Changed: When compressing a file, the input WAV file is always opened in read-only mode (writes were never done, but previously the input WAV would only be opened in read-only mode if write permissions were not available).
Changed: Updated to newer nasm compiler for MMX assembly.
Changed: Updated the console application (MAC.exe) to support Unicode filenames (GUI has always had Unicode support).
Changed: Removed obsolete Unicode compatibility DLL (unicows.dll) from the installer (only used by Win 9x).
What´s New in version 4.09:
Changed: Updated to an icon that looks nicer on Windows 7 (sorry, still a monkey).
Changed: Updated copyright dates.
What's New in version 4.06:
Version 4.06 features an included Directshow filter (enables WMP, Zoom, etc. playback), a smaller download, and a few bug fixes related to handling of corrupt files.