Issue #2144413 by tstoeckler, YesCT, robertdbailey, webflo, Schnitzel, Wim Leers, kfritsche, Jose Reyero, Gábor Hojtsy, prodosh: Config translation does not support text elements with a format

Issue #2349871 by borisson_, Wim Leers, Arjandew: Vertical toolbar menu is broken in narrow viewports

Issue #2350823 by lauriii, jhedstrom, Tim Bozeman, cilefen, davidhernandez, inqui, Cottser, xjm: Use the Classy theme in the Testing profile

Issue #2324055 by dawehner, cilefen, znerol: Split up the module manager into runtime information and extension information

Issue #1663166 by LewisNyman, Manuel Garcia, JamesLefrère, BarisW, sqndr, tompagabor: Clean up system admin css

Issue #2377115 by mglaman: Replace all instances of entity_load('field_config') and entity_load_multiple('field_config') with static method calls

Issue #2378055 by Gábor Hojtsy: Reorganise config schema for entity_form_display / entity_view_display

Issue #2376013 by pwolanin: Drupal 8 installer initially fails if settings.php and services.yml are correct, but config directories are absent

Issue #2372909 by Tom Verhaeghe: Comments to check '$comment->getOwner->isAnonymous()' instead of assuming anonymous is ID 0

Issue #1433796 by hampercm, claudiu.cristea, joshi.rohit100, gitesh.koli, undertext, yoroy, larowlan, rpayanm, opratr, jaffaralia, webbykat, nmudgal: Link to images styles from image field display settings

Issue #2378583 by tim.plunkett, EclipseGc: Core ContextAware Plugins have inconsistent ContextDefinition return docs

Issue #1855066 by Tom Verhaeghe, Wim Leers, benjifisher: In the "menu" toolbar tray, clicking/tapping white space should show the child level

Issue #2379083 by olli, Wim Leers: Regression (again): Menu contextual links no longer visible in menu blocks, when block caching is enabled

Issue #2378263 by Wim Leers: hook_library_alter() must be manually invoked by users of LibraryDiscovery, and has no test coverage

Issue #2346937 by dawehner, larowlan, Wim Leers, claudiu.cristea, msonnabaum: Implement a Renderer service; reduces drupal_render / _theme service container calls

Issue #2378699 by klausi, David_Rothstein, pwolanin: Port session hijacking fixes from SA-CORE-2014-006 to Drupal 8

Issue #2304949 by mpdonadio, cilefen, znerol, klausi, gaurav.goyal, regilero: Port HTTP Host header DoS fix from SA-CORE-2014-003

Issue #2378585 by EclipseGc, tim.plunkett: Multiple context requirements cannot be satisfied by a single value

Issue #2374201 by YesCT: Docs and quote coding standard follow-up from: Incorrect logic in creating url to fetch information about project updates

Issue #2378329 by almaudoh: Update AccountProxyInterface::setAccount() documentation to point people to the account_switcher service