GNOME Shell 3.15.92 was released today (17 March 2015) and among other minor enhancements it improves the GNOME classic theme.
Florian Müllner announced the GNOME Shell 3.15.92 release today and among its enhancements are an improved classic theme, fixed ordering of calendar events, pointer barriers for the legacy tray, menu fixes, GDM changes, and various other items. The classic theme changes come down to items that looked “bad” or improper up to now.
Source: http://www.phoronix.com/scan.php?page=news_item&px=GNOME-Shell-3.15.92
Submitted by: Michael Larabel