- Patch #667918 by Damien Tournoud, jbrown: fixed sprite height being too short causing active state graphical bug in toolbar.

- Patch #667264 by Damien Tournoud: improved generation of tests files to avoid concurrency problems causing the tests to /randomly/ fail.

- Patch #661420 by justinrandell, David_Rothstein: made installation of modules much more efficient.

#358815 by David_Rothstein, meatsack, and John Morahan: Fixed performance of drupal_get_install_files() with large file trees.

#605892 by ksenzee and justinrandell: Convert theme logo upload to filestream wrappers (with tests so we don't break it again).

- Patch #667004 by ksenzee, David_Rothstein: fixed minor code comment cleanups in overlay-parent.js.

- Patch #666932 by boombatower: SimpleTestMissingDependentModuleUnitTest had an invalid getInfo() definition.

#615130 by casey, Kiphaas7, David_Rothstein, ksenzee, seutje, and meatsack: Dramatically improve performance of the Overlay module.

- Patch #653234 by timmillwood: make Druplicon look inward until we figure out what to do with the logomark.

- Patch #601548 by Damien Tournoud, moshe weitzman: loosen the dependency between t() and the theming layer.