• The Platypus transition to Universal binaries is now complete. Both the Platypus application and the 'platypus' command line tool (and applications generated using these tools) now require Mac OS X 10.3.9 or later to run on PowerPC processors, and Mac OS X 10.4 or later to run on Intel processors. To create applications that run on versions prior to 10.3.9, you must use older versions of Platypus.
• Fixed problem where Platypus refused to launch on certain Mac OS X 10.3.x systems
• New options for command line tool: file bundling, verbose mode, suffix and file types support, updated man page.
• Updated documentation
• A great deal of bug fixes, error checks, tweaks and improvements

http://www.sveinbjorn.org/platypus_version_log