Issue #2151829 by dawehner, chx: Doctrine annotation parsing takes an unacceptable amount of time/memory on install.

Issue #2008270 by typhonius, mcjim, Wim Leers, vijaycs85, mr.baileys, JohnAlbin: Remove drupal_add_css() from template_preprocess_maintenance_page() — use #attached.

Issue #2155785 by alexpott, vijaycs85: Image_field_instance_update() can not handle default images with a fid greater than 9.

Issue #2155387 by larowlan: Multiple comment fields per entity are supported, but break horribly when they need pagers.

Issue #2136641 by damiankloip: Remove boolean usage of ajax property in Views UI link operation building.

Issue #2095335 by Wim Leers, vijaycs85: Remove drupal_add_css() and drupal_add_js() from the ajax system.

Issue #2105933 by dsdeiz, a_thakur: Make sure all YML files in Dblog Translation module has no type-casting to string.

Issue #2055937 by Wim Leers, jessebeach: Introduce error handling to in-place editing; if an AJAX request to commit changes fails, the user cannot recover.

Issue #2148071 by Gábor Hojtsy, philipz, marthinal, penyaskito: Cannot install in foreign language (Undefined index: und in ContentEntityBase->language()).

Issue #1938062 by dawehner, tstoeckler, slashrsm, tim.plunkett, olli, pcambra, YesCT, damiankloip: Convert the recent_comments block to a view.

Issue #2151427 by andypost, TR: Convert COMMENT_NOT_PUBLISHED & COMMENT_PUBLISHED to a constant on the comment interface.

Issue #2031725 by fgm, fago, vladan.me, Nebel54, Berdir: Move all entity display interfaces to the core component.

Issue #1938390 by andypost, disasm, jibran, dawehner, ygerasimov, pfrenssen: Convert contact_site_page and contact_person_page to a new-style Controller.

Issue #1973436 by claudiu.cristea, vijaycs85: Provide config schema to field types storage for image module.

Issue #1973522 by vijaycs85, chr.fritsch, piyuesh23: Provide config schema to field types and storage in file module.

Issue #2154683 by Gábor Hojtsy: Ul.links has no active styling for links (language switcher active link is indistinguishable).

This change was a bit more than we bargained for and caused critical tasks
to have to re-roll. Rolling back for now so we can discuss it more.

This reverts commit 541f24c2.

Issue #2015687 by smiletrl, amateescu, Berdir, fago: Convert field type to FieldType plugin for taxonomy module.

Issue #2095283 by Berdir, chx, amateescu, vladan.me: Remove non-storage logic from the storage controllers.

Issue #2062211 by rych, m1r1k, joelpittet, dstorozhuk: Remove calls to deprecated global $user in system module (first part).

Issue #2062791 by joelpittet, natemow, sergeypavlenko, m1r1k, jlindsey15: Remove calls to deprecated global $user and $GLOBALS['user'] in node module.

Issue #2099391 by marthinal, dawehner, jhodgdon: Breadcrumbs for Search module should match tab titles.