Version 5.7.2 of cwRsync client/server installers come with an updated cygwin1.dll  (2.10.1 - 20180214), which fixes a newly introduced bug causing files with temporary flag on being not visible for synchronization. See here for more information.

Version 5.7.1 of cwRsync client/server installers contain the latest available Cygwin/GNU tools. OpenSSH binaries are also updated to version 7.7p with LibreSSL 2.7.2.

Version 5.7.0 of cwRsync client/server installers contain Rsync 3.1.3 including some security fixes.

Version 5.6.0 of cwRsync client/server installers is a maintenance release and come with the latest available versions of Cygwin, GNU Tools, OpenSSH and Putty. LibreSSL is now used as the SSL library for OpenSSH binaries.

Version 5.5.3 of cwRsync client/server installers  is a maintenance release and come with the latest available versions of Cygwin, GNU Tools, OpenSSH and OpenSSL.