Bug Fixes --------- - Fix CPU_SET(3) macro type mismatch by making the macros type-safe. Addresses https://cygwin.com/pipermail/cygwin/2023-March/253220.html - kill(1): don't print spurious error message. Addresses: https://cygwin.com/pipermail/cygwin/2023-March/253291.html - Align behaviour of dirname in terms of leading slashes to POSIX: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html - Fix reading CONIN$ in non cygwin apps when stdin is not a pty. Addresses https://cygwin.com/pipermail/cygwin/2023-April/253424.html - Fix bug in cygheap allocation size computation after fork. Addresses: https://cygwin.com/pipermail/cygwin-developers/2023-April/012620.html