Version 7.6 of GNU Project Debugger (GDB) is out and with it comes a lot many new features including support for ARM AArch 64 architecture.
GCC 4.8 has been released and with it the developers of the GNU Compiler Collection have switched to C++ as the implementation language for which the developers have been working for years.
A new version of GNU C Library (glibc) has been released and with this new version comes support for the upcoming 64-bit ARM architecture a.k.a. AArch64.