Issue #2557253 by phenaproxima, neclimdul: MigrateFullDrupalTestBase test discovery gobbles all the memory

Issue #2349819 by amateescu, swentel, Leksat, larowlan, dawehner, Gábor Hojtsy, mpdonadio, benjy, jmuzz, yched, jibran, marthinal, dmsmidt: String field type doesn't consider empty string as empty value

Issue #2533978 by Denchev, Dave Reid, legolasbo, Berdir: $entity->access('view|download') for unattached public files returns FALSE

Issue #2550823 by phenaproxima, neclimdul: Migrate Drupal integration tests should load all dump files

Issue #2546993 by mikeryan, phenaproxima: Move last stragglers of module-specific migrations into the appropriate modules

Issue #2534012 by phenaproxima, hussainweb, mikeryan: Move module-specific migration support into the file module

Issue #2455125 by mpdonadio, rteijeiro, jhodgdon, dawehner: Update EntityViewsData use of generic timestamp to use Field API formatter

Issue #2503861 by phenaproxima, benjy, alexpott, mikeryan: Migrate file_managed table to file entities

Issue #2502781 by tedstein, johnshortess, joelpittet, pwolanin, stefan.r, chx, mandclu, RavindraSingh, YesCT, cilefen, xjm, lauriii: Remove SafeMarkup::set in template_preprocess_file_widget_multiple()

Issue #2535302 by mbaynton, Berdir, kgoel, claudiu.cristea, tim.plunkett, RavindraSingh, cilefen, dawehner: Selecting too many files with JS off causes WSOD with data loss

Issue #2525910 by dawehner, effulgentsia, Berdir, lauriii, larowlan, timmillwood, Wim Leers, chx, arlinsandbulte, Fabianx, Gábor Hojtsy, Dave Reid, alexpott, catch: Ensure token replacements have cacheability + attachments metadata and that it is bubbled in any case

Issue #2392559 by mondrake, mitrpaka, JeroenT, rpayanm, adci_contributor, ianthomas_uk: Remove all uses of file_stream_wrapper_get_* and file_get_stream_wrappers

Issue #2502785 by dawehner, effulgentsia, tim.plunkett, amateescu, Fabianx, Wim Leers, catch, dsnopek, EclipseGc, yched, Berdir, larowlan, mondrake, olli: Remove support for $form_state->setCached() for GET requests

Issue #2321969 by rpayanm, subhojit777, prics, LinL, JeroenT, Temoor, prashantgoel, Mile23, pcambra, Sumi: Replace all instances of file_load(), file_load_multiple(), entity_load('file') and entity_load_multiple('file') with static method calls

Issue #2450993 by Wim Leers, Fabianx, Crell, dawehner, effulgentsia: Rendered Cache Metadata created during the main controller request gets lost

Issue #2478459 by plach, mkalkbrenner, chx, yched, Berdir, dawehner, benjy: FieldItemInterface methods are only invoked for SQL storage and are inconsistent with hooks

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2511472 by Wim Leers, Fabianx, dawehner: Refactor all usages of drupal_render()/Renderer::render() that break #2450993

Issue #2500527 by dawehner, tim.plunkett, effulgentsia: Rewrite \Drupal\file\Controller\FileWidgetAjaxController::upload() to not rely on form cache

Issue #1305882 by dawehner, nod_, Fabianx, Steven Jones, sun, nlisgo: drupal_html_id() considered harmful; remove ajax_html_ids to use GET (not POST) AJAX requests

Issue #1314214 by stefan.r, phayes, ergophobe, YesCT, damienwhaley, kbasarab, Tor Arne Thune, basic, pfrenssen, yannickoo, simolokid, fietserwin, bzrudi71: MySQL driver does not support full UTF-8 (emojis, asian symbols, mathematical symbols)

Issue #2501827 by cwells, kgoel, jcloys, YesCT, crowdcg, Bojhan: Remove SafeMarkup::set() in file_save_upload() and allow render/template code to control a single-item list

Issue #2263569 by tim.plunkett, effulgentsia, Fabianx, dawehner, Wim Leers, larowlan: Bypass form caching by default for forms using #ajax.

Issue #1493324 by tim.plunkett, dmsmidt, mgifford, bleen18, davidhernandez, crasx, mparker17, stefan.r, YesCT, joelpittet, tstoeckler, larowlan, vijaycs85, swentel, rpayanm, Bojhan, LewisNyman, emma.maria, BarisW, njbarrett, rteijeiro, nod_, sun, joshtaylor, mrjmd, webchick, marcvangend, kattekrab, SKAUGHT, bowersox, andrewmacpherson, Manjit.Singh, RavindraSingh, Wim Leers, BLadwin, aspilicious, mortendk, mausolos, jessebeach, Gábor Hojtsy, anandps, falcon03, franz, andypost, rooby, rootwork, Cottser, Xano: Inline form errors for accessibility and UX

Issue #2384675 by sidharrell, cilefen, Mile23, damiankloip, dawehner, Wim Leers, alexpott, neclimdul: Deprecate conf_path()

Issue #2350683 by rjacobs, Berdir: File field "Enable Description field" setting cannot be saved via instance settings in UI

Issue #2473943 by Manjit.Singh, Cottser, mu5a5hi, LewisNyman, mortendk, rteijeiro, rachel_norfolk: Prefix form-file and form-managed-file classes with js-

Revert "Issue #1314214 by stefan.r, phayes, ergophobe, YesCT, damienwhaley, Tor Arne Thune, kbasarab, pfrenssen, basic, yannickoo, simolokid: MySQL driver does not support full UTF-8 (emojis, asian symbols, mathematical symbols)"

This reverts commit b105158a.

Issue #1314214 by stefan.r, phayes, ergophobe, YesCT, damienwhaley, Tor Arne Thune, kbasarab, pfrenssen, basic, yannickoo, simolokid: MySQL driver does not support full UTF-8 (emojis, asian symbols, mathematical symbols)

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2473105 by ifrik, jhodgdon, lostkangaroo, opratr, LinL: Update hook_help texts that link to modules that can be uninstalled

Issue #2473953 by mortendk, rteijeiro, rachel_norfolk, Cottser, aburrows, LewisNyman: Prefix form-submit classes with js-

Issue #2485431 by bjmac, saki007ster, LewisNyman, rudraram: Clean up file CSS inline with our CSS standards

Issue #2461845 by Fabianx, Berdir, larowlan, David_Rothstein, Gábor Hojtsy: Private files that are no longer attached to an entity should not suddenly become accessible to people who couldn't see them before