Version 7.6 of GDB, the GNU Debugger, has been released and with it comes support for new debugging targets and a whole lot more.
New native configurations for GDB 7.6 include AArch64 GNU/Linux (64-bit ARM on Linux), FreeBSD/PowerPC, x86_64/Cygwin, and Tilera TILE-Gx GNU/Linux. New target configurations are ARM AArch64, ARM AArch64 GNU/Linux, Lynx 178 PowerPC, x86_64/Cygwin, and Tilera TILE-Gx GNU/Linux.
Other changes include the C++ ABI now defaulting to the GNU v3 ABI, new libmcheck configure options, support for the mini debuginfo section, various GDB/MI changes, Python scripting improvements, and a variety of new commands.
More details on the GDB 7.6 GNU Debugger release can be found out from the mailing list announcement