Issue #2350327 by PieterDC, Dave Reid: editor.module should use the same data- attributes as entity_embed.module uses

Issue #2317913 by jhedstrom: Early error handling can result in fatal error (Call to a member function get() on a non-object)

Issue #2370305 by Gábor Hojtsy, yched: Refactor field type configuration schemas for DX, easier to find errors

Issue #2030613 by balagan, Mile23, scottrigby, alexpott: Expand EntityViewMode (really EntityDisplayModeBase) with methods

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