The GNOME developers published a few days ago the 3.7.5 development version of the GNOME Themes Standard package for the upcoming GNOME 3.7.5 desktop environment.
GNOME Themes Standard 3.7.5 improves paddings for the buttons on the main toolbar. Moreover, GtkEntry's background color can now be overridden in GTK2, the OpenOffice.org scrollbars are now rendered correctly in GTK2, various missing selectors have been added to the SELECTED radio/check states in GTK2, all four directions now use the same arrows (with the same shape) in GTK2, fixed GtkFrame labels in GTK2, added HC icons for the new Settings panel, set padding for the SushiFontWidget preview widget and fixed content-view widgets’ missing radio/check buttons.
For more details about the GNOME Themes Standard 3.7.4 development release, you can find a complete list of changes in the raw changelog
Download GNOME Themes Standard 3.7.5
right now from Softpedia. Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.