Issue #1934568 by David_Rothstein, pwolanin: Allow sites using the 'image_allow_insecure_derivatives' variable to have partial protection from the security issues fixed in Drupal 7.20.

Issue #1067120 followup by David_Rothstein, Berdir: Fix backwards compatibility issues for Drupal 7 on the taxonomy term page, and small documentation fixes.

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

Issue #1154382 followup by plach: Fixed several issues with the newly-added hook_entity_view_mode_alter().

Issue #1812822 by larowlan, _wdm_: Fixed field_test_entity_info() does not set a 'label' on the Test Entity.

Issue #1809836 by danillonunes: Fixed theme_item_list() is broken when 'items' variable is an associative array.

Issue #1785436 by Boobaa: Fixed Submission of #required elements without #title and empty value does not display any error.

Issue #1414510 by andypost, Spleshka, perelman.yuval, tim.plunkett: Fixed Remove drupal_reset_static() for drupal_html_id() when form validation fails.

Issue #1777270 by Devin Carlson, ssm2017 Binder, caelon, barraponto, ross9885: Fixed bug which prevented users with passwords over 60 characters from logging in via the user login block.

Issue #1817484 by tomgeekery, kiamlaluno: Fixed The search_form_submit() function contains a 'return' statement right at the end of the function.

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

Issue #1006042 by ksenzee, grendzy, scor: Fixed Links outside the overlay with existing fragments are broken.

Issue #1346772 by xjm, scor: Fixed StatisticsLoggingTestCase->testLogging() fails with clean URLs in some environments.

Revert "Issue #1742438 by larowlan, Christian Biggins, kim.pepper, dcam, Everett Zufelt, mgifford: Fixed Vertical tabs header and container rendered even when no vertical tabs."

Concerns raised in http://drupal.org/node/1742438#comment-6609888 that this breaks backwards compatibility.

This reverts commit d462cafd.

Issue #1622974 by xjm, iflista, brianV: Fixed Aggregator fails to parse author entries longer than 255 characters.

Issue #1742602 by dcam, Lars Toomre, xjm, lazysoundsystem: Remove t() from assert messages in comment module tests

Issue #1742438 by larowlan, Christian Biggins, kim.pepper, dcam, Everett Zufelt, mgifford: Fixed Vertical tabs header and container rendered even when no vertical tabs.