Issue #1816148 by BTMash, David_Rothstein | Irous: Removed system_update_7075() for now, since it's causing problems.

Issue #1441180 by scor, avr, Devin Carlson: Fixed hook_requirements() REQUIREMENT_ERROR broadcasting.

Issue #1057912 by bfroehle, mgifford, bowersox, tarekdj, geerlingguy, hgurol: Fixed Weird Border on Vertical Tabs with Google Chrome and Safari caused by .element-invisible.

Issue #1802844 by antojose: Fixed 'have to' repeated twice as 'have to have to' in the comment for the function hook_module_implements_alter() in system.api.php.

Issue #1154382 by Berdir, barraponto, acouch, swentel, LoMo, DamienMcKenna, chx: Fixed View mode no longer can be changed.

Issue #1397882 by sun, kbasarab, catch, pingers: Fixed system_theme_settings_submit() does not properly clean up submitted form values.

Roll back issue #948516 from Drupal 7 for now (which made down arrows in fieldsets part of the link) because it breaks RTL languages.

Issue #1691438 by Dave Reid, CrashTest_, quicksketch, jbrown, Devin Carlson: Fixed Regression: {file_managed()}.filename should NOT be binary (and case-sensitive by default).

Issue #948516 by sirtet, DamienMcKenna, tkoleary: Fixed Usability bug: down arrow of fieldsets in D7 overlays should be part of the link.

Issue #716496 by killtheliterate, rootwork: Make sure all core template files are in themeable group

Issue #1685110 by BTMash, aspilicious, jhodgdon: Fixed Upgrade of forum.module d6-d7 loses permission.

Issue #1706788 by David_Rothstein | aturetta: Rolled back issue #1613554 by removing the contents of system_update_7074 for now, since it fails on PostgreSQL.

Issue #1613554 by drumm, BTMash: Fixed Update menu link queries from 6's strings (followup to avoid use of API functions during updates).

Issue #1373312 by sun: Assign system_main() block to 'content' region and help block to 'help' region by default.

Issue #1615312 by dsdeiz, David_Rothstein: Make sure all D7 to D7 updates are listed in the updates-7.x-extra group

Issue #761608 by JohnAlbin, effulgentsia: Fixed Missing theme settings values because list_themes() has inconsistent theme object data.

Issue #1333122 by effulgentsia, tim.plunkett: Clarify docs for theme and preprocess/process functions so it is clearer which ones get called for theme functions vs. templates