release date: 2025-09-08Changelog All binaries are digitally signed with our Windows code signing certificate. Cygwin 3.6.4 Gnu tools and Rsync updates component namecomponent versioncomponent licensecomponent source Rbldnsd0.998aRbldnsd (GPL)Source code for rbldnsd Cygwin3.6.4Cygwin license (GPL/LGPL)Source code for Cygwin Wrbldnsd5.0.3Itefix free software license (Simplified BSD) 2025