Issue #2511308 by dimitriskr, ankithashetty, smustgrave, quietone, Wim Leers: Rename RendererInterface::renderPlain() to ::renderInIsolation()

Issue #3397575 by kim.pepper, sourabhjain, alexpott, longwave: Deprecate file_progress_implementation() and replace with extension_loaded('uploadprogress')

Issue #2272637 by mohit_aghera, ashley_herodev, ankithashetty, Gauravvvv, malc0mn, pooja saraah, catch, Abhijith S, smustgrave, xjm, bnjmnm, larowlan, dcam, ameymudras: Default file visibility setting not respected

Issue #3268835 by quietone, smustgrave, ravi.shankar, xjm, borisson_, catch: Fix method comments in non tests for Drupal.Commenting.DocComment.ShortSingleLine

Issue #3181778 by quietone, longwave, aldairsoares, beatrizrodrigues, Aline Teixeira Ramos, KapilV, raman.b, anushrikumari, CChiste, mallezie, Ratan Priya, rakesh.regar, Kevin.Notari, vicheldt, mauryarahul11, yogeshmpawar, bbrala, alexpott, bruno.bicudo: [w/c September 17th] Replace t() with $this->t() in all plugins

Issue #3274474 by mondrake, longwave, andypost, Spokje, catch, alexpott: Fix 'Access to an undefined property' PHPStan L0 errors

Issue #3175287 by murilohp, quietone, SivaprasadC, ankithashetty, anmolgoyal74, sarvjeetsingh, xjm, longwave: Remove accidentally duplicated words in code comments

Issue #3222251 by bbrala, longwave: [November 8, 2021] Replace all isset constructs with the null coalescing operator

Issue #3155770 by Hardik_Patel_12, naresh_bavaskar: Parent class implements ContainerFactoryPluginInterface, so it's not necessary for its child classes to repeat that they do as well

Issue #2619482 by cburschka, ankit.singh, ravi.shankar, jungle, daffie: Convert all get_called_class()/get_class() to static::

Issue #3035953 by Berdir, andypost, vacho: Add @trigger_error() to deprecated EntityManager->EntityFieldManager methods

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2810903 by prics, GoZ: Second parameter in FileWidget::value() cannot be optional when the third parameter is required

Issue #2829484 by vegantriathlete, 20th, xjm: Incorrect spelling of possessive "its own" in multiple comments

Issue #2548713 by yongt9412, larowlan, Berdir, swentel, subhojit777, effulgentsia: Only one additional new value saved unlimited field and no non-field values are restored after preview

Issue #2669326 by danielbeeke, Xano, yongt9412, swentel, jmuzz, Sutharsan: FileWidget inside subform can't find its values

Issue #2572693 by Mile23, andriyun, andypost, attiks: Fix 'Drupal.ControlStructures.ControlSignature' coding standard

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2594565 by klausi, marthinal, dawehner, Berdir, yched: File extension + max_filesize should be validated using a Constraint on file fields

Issue #2576533 by alexpott, stefan.r, Wim Leers, dawehner, xjm, effulgentsia, catch: Rename SafeStringInterface to MarkupInterface and move related classes

Issue #2511036 by martins.kajins, mdrummond, Cottser: image-widget.html.twig never gets used (image_widget gets overridden by FieldWidget::process)

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk, olli: Remove all usages SafeMarkup::checkPlain() from render arrays

Revert "Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays"

This reverts commit 31007609.

Issue #2560641 by alexpott, lauriii, Xano, borisson_, ianthomas_uk: Remove all usages SafeMarkup::checkPlain() from render arrays

Issue #2551511 by alexpott, stefan.r, RavindraSingh, pjonckiere, JeroenT, Mariano: Remove SafeMarkup::set() from AllowedTagsXssTrait

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 #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 #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 #2226621 by JeroenT, ianthomas_uk, lokapujya, pjonckiere, marcingy, LinL, Xano, rpayanm, piyuesh23: Remove usage of element_info(), element_child() and element_children(). Deprecate element_info_property()

Issue #2457887 by prateekMehta, stefan.r, rpayanm, alexpott: Use Utility\SafeMarkup class instead of Utility\String for placeholder(), checkPlain(),format() functions

Issue #2164601 by yched, jibran, amateescu, pfrenssen: Stop auto-creating FieldItems on mere reading of $entity->field[N]