1 D-Bus 1.3.0 (29 July 2009)
3 - ability for dbus-send to send to any bus (--address)
4 - file descriptor passing on Unix socket transports
5 - use of GCC atomic intrinsics for better processor support
6 (requires -march=i486 or above for x86 compilation)
7 - thread-safe FD_CLOEXEC setting on recent Linux kernels (2.6.24-27 and up)
8 and glibc (2.9 for pipe2 and 2.10 for accept4)
9 - feature negotiation in the bus daemon