This morning there’s a good announcement for you, GNOME developers –and fans. Yep, GNOME 3.1.2 development released.
GNOME 3.1.2 Development Release
Fourth update to GNOME 3.0, first update of the development release available at last (as it was delayed).
To compile GNOME 3.1.2, use jhbuild  and the modulesets and .jhbuildrc file used on this release .
If you want to know what is new on this release, you can check the release notes of those modules:
And if you want the code, you can find the release here:
Oh, in case you didn’t know about GNOME 3.0, check this out: http://www.gnome.org/gnome-3/!