** A prompt subsitution hook (prompt_hook) is now available to the
Python API.
+ ** Python commands and convenience-functions located in
+ 'data-directory'/python/gdb/command and
+ 'data-directory'/python/gdb/function are now automatically loaded
+ on GDB start-up.
+
* libthread-db-search-path now supports two special values: $sdir and $pdir.
$sdir specifies the default system locations of shared libraries.
$pdir specifies the directory where the libpthread used by the application