Release Notes: The autoconf configuration has been overhauled and it now compiles and runs on more platforms, including Mac OS X and Win32. Debian package building scripts are now included.
Release Notes: Improvements have been made in encoding efficiency.
Release Notes: Major performance improvements, and portability fixes for Solaris and FreeBSD.
Release Notes: The librsync API has changed to better support embedding into programs that do nonblocking or encrypted IO. There is a new `rdiff' program that allows command-line generation of network deltas and signatures.