XDeltaEncoder 1.0 Build 27
A Java-based tool to create and manipulate binary delta patches
With the use of the delta patch, new version of the binary file can be reconstructed (decoded) from the original old binary file.
Detailed instructions on how to install and use the XDeltaEncoder utility on your Mac are available HERE.
XDeltaEncoder is a cross-platform utility capable of running on any operating system that comes with Java support (e.g. Mac OS X, Windows, Linux).