Issue #2720233 by dawehner, Wim Leers, catch: Use arguments resolver in RequestHandler to have consistent parameter ordering

Issue #2901998 by vaplas, damiankloip, kim.pepper: File size of 0 is not set when file entities are saved

Issue #2842222 by maxocub, heddn, vasi, Jo Fitzgerald, masipila, jeffwpetersen, catch, phenaproxima, markabur, quietone, mikeryan: D7 Plain text fields incorrectly migrated to D8 as Text (formatted)

Issue #2903908 by mfernea, martin107: Fix 'Drupal.Commenting.FunctionComment.ParamCommentIndentation' coding standard

Issue #2887099 by naveenvalecha, Lendude, Manuel Garcia: Menu: convert system functional tests to PHPUnit

Issue #2614504 by blackra, jibran, mohit_aghera, Yogesh Pawar, larowlan, lokapujya, Munavijayalakshmi, thpoul, andypost, xjm: Values of 'name' & 'email' fields should be NULL when comment has author (uid > 0)

Issue #2887860 by drumm, Cottser: Allow attributes to be passed to admin blocks (admin_block theme hook)

Issue #2711855 by Meenakshi Gupta, toomanypets, derheap: Add binary font file types  to .gitattributes

Issue #2722609 by anoopjohn, mfernea, Jo Fitzgerald, chishah92, druprad, martin107, Mile23: Fix Drupal.Commenting.FunctionComment.ParamNameNoMatch

Issue #2322421 by amateescu, alex.ksis, caspervoogt: Recoverable fatal error: Object of class Drupal\Core\Field\FieldItemList

Issue #2809471 by vaplas, michielnugter, dawehner, Lendude: Convert AJAX part of \Drupal\config\Tests\ConfigEntityTest::testCRUDUI to JavascriptTestBase

Issue #2687773 by mikeker, sukanya.ramakrishnan, dawehner, amateescu, mroycroft, Lukas von Blarer, Lendude: Using checkboxes with an is

Issue #2734345 by danmuzyka, hchonov, Jo Fitzgerald, GoZ, kristiaanvandeneynde, Berdir, alexpott: Comments: entity_id base field not overridden correctly in comment bundle field definitions for comment bundles attached to different entity target_type

Revert "Issue #2824851 by Wim Leers, arshadcn, amateescu, tedbow, timmillwood, Berdir, tstoeckler: EntityResource::patch() makes an incorrect assumption about entity keys, hence results in incorrect behavior"

This reverts commit 3b3daa35.

Issue #2278383 by dawehner, Xano, kim.pepper, twistor, jibran, Jo Fitzgerald, joelpittet, pritish.kumar, Fabianx, Crell, larowlan, alexpott, catch, Wim Leers: Create an injectible service for drupal_set_message()

Issue #2905818 by Wim Leers, Lendude: Make sure \Drupal\Tests\BrowserTestBase::checkForMetaRefresh is case insensitive

Issue #2803621 by Mile23: Break BrowserTestBase & children dependency on Simpletest, deprecate stub BC traits

Issue #2893061 by maxocub, Jo Fitzgerald, heddn, phenaproxima: Create a ProcessField plugin to process the field types

Issue #2867154 by Manuel Garcia, vaplas, naveenvalecha, Lendude, phenaproxima, dawehner: Form: Convert system functional tests to phpunit

Issue #2868019 by michielnugter, Lendude, jonathan1055, dawehner, alexpott: AssertLegacyTrait field assertions not compatible with Simpletest assertions

Issue #2904834 by Lendude: Move BROWSERTEST_OUTPUT_FILE logic in BrowserTestBase::setUp to a method and make BrowserTestBase and and \Drupal\FunctionalTests\Update\UpdatePathTestBase use it

Issue #2901692 by tim.plunkett, xjm, Cottser, dawehner, EclipseGc: FieldDefinitionIntegrityTest does not respect module dependencies

Issue #2350797 by pwolanin, amateescu, dawehner, dagmar: Orphaned menu links when nodes are deleted if menu_link_ui is not enabled