Issue #3491210 by mstrelan: Add array return to remaining applicable hook implementations in Hook classes

Issue #3489776 by mstrelan, nicxvan: Add void return to all pageAttachments, pageTop and pageBottom hook implementations

Issue #3483599 by nicxvan, ghost of drupal past, catch, longwave, fabianx: Convert all procedural hook implementations to Hook classes

Issue #2874067 by kkalashnikov, Nikolay Shapovalov, quietone, smustgrave, benjifisher, MerryHamster, xjm, dww: Fix Drupal.Commenting.DocCommentLongArraySyntax coding standard

Issue #3431452 by godotislate, smustgrave, alexpott: Rename RenderElement and FormElement plugin abstract classes to RenderElementBase and FormElementBase

Issue #3421439 by godotislate, sorlov, quietone, smustgrave, alexpott, larowlan, longwave, andypost: Convert form and render element plugin discovery to attributes

Issue #3426955 by mstrelan, sorlov, alexpott, smustgrave, godotislate: Convert ViewsField plugin discovery to attributes

Issue #3359494 by bnjmnm, Spokje, lauriii, hooroomoo: Focus is lost on dialog close if the opener is inside a collapsible element

Revert "Issue #3359494 by bnjmnm, lauriii, hooroomoo: Focus is lost on dialog close if the opener is inside a collapsible element"

This reverts commit d6bb0067.

Issue #3359494 by bnjmnm, lauriii, hooroomoo: Focus is lost on dialog close if the opener is inside a collapsible element

Issue #2927311 by DanielVeza, smustgrave, Gribnif, richard.thomas, larowlan: Contextual links are not sorted by weight, contrary to documentation

Issue #2574981 by Manjit.Singh, dimaro, wengerk, darol100, izus, pguillard, vsujeetkumar, Himanshu5050, snehi, paulocs, rakesh.gectcr, jofitz, _utsavsharma, charginghawk, rajeshwari10, sdstyles, quietone, benjifisher, marcusvsouza, LoMo, joelpittet, justAChris, cilefen, YesCT, mradcliffe, spitzialist, annajl, jhodgdon, catch, alexpott, Sabbi0612, kattekrab, Mile23, antojose, leanderl, rodrigoac: Fix grammar ("an URL" should be "a URL") and consistent use of URL (not "url" / "Url") in documentation only

Issue #3254250 by Spokje, longwave, catch, daffie: [Symfony 6] Retrieving a non-string value from "Symfony\Component\HttpFoundation\InputBag::get()" is deprecated

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

Issue #2938969 by msankhala, dhirendra.mishra, paulocs, TR, MerryHamster, alexpott, jofitz, longwave, Manuel Garcia, tameeshb, boaloysius, Yasiru Nilan, xjm, wturrell, ritzz, ZeiP, darrenwh: Replace drupal_render() in docblock and comments outside of @param, @return, @Link, @see and outside of @code - @endcode

Revert "Issue #3162016 by longwave, andypost, Hardik_Patel_12, catch, alexpott, daffie, Kristen Pol: [Symfony 6] Retrieving a non-string value from "Symfony\Component\HttpFoundation\InputBag::get()" is deprecated"

This reverts commit 8b8fc1ef.

Issue #3162016 by longwave, andypost, Hardik_Patel_12, catch, alexpott, daffie, Kristen Pol: [Symfony 6] Retrieving a non-string value from "Symfony\Component\HttpFoundation\InputBag::get()" is deprecated

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

Issue #2055851 by andypost, jungle, dawehner, Mac_Weber, sja112, borisson_, fietserwin, init90, Gábor Hojtsy, xjm, effulgentsia, tim.plunkett: Remove translation of exception messages

Issue #3053956 by alexpott, neeravbm, aleevas, voleger, Berdir: Deprecate \Drupal\Component\Utility\Crypt::hashEquals() in favour of PHP's builtin hash_equals()

SA-CORE-2018-006 by alexpott, attilatilman, bkosborne, catch, bonus, Wim Leers, Sam152, Berdir, Damien Tournoud, Dave Reid, Kova101, David_Rothstein, dawehner, dsnopek, samuel.mortenson, stefan.r, tedbow, xjm, timmillwood, pwolanin, njbooher, dyates, effulgentsia, klausi, mlhess, larowlan

Issue #2865407 by nlisgo, ApacheEx, GoZ, dawehner, michielnugter, Lendude, Mile23: Convert web tests to browser tests for contextual module

Issue #2572613 by Malevi4, idebr, pfrenssen, Mile23, RajeevK: Fix 'Drupal.Array.Array.CommaLastItem' coding standard

Issue #2572791 by Mile23, andriyun, attiks, RoSk0: Fix 'Drupal.WhiteSpace.OpenBracketSpacing' coding standard

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

Issue #2892942 by Wim Leers, Chi, tedbow: Contextual links support options but not use them to generate links

(cherry picked from commit 4c8c5e1f)

This reverts commit f06b26b7.

Issue #2704871 by pepegarciag, Mile23, Manuel Garcia, ieguskiza, snehi, gaurav.pahuja, dimaro, rajeshwari10, gargsuchi, pashupathi nath gajawada, penyaskito, xjm, ZeiP, Wim Leers, alexpott: Replace usages of deprecated method drupal_render()

Issue #2854529 by alexpott, xjm, klausi, Chi, Mixologic: Fix Drupal.Scope.MethodScope - all methods should have scopes

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

Revert "Issue #2704871 by pepegarciag, ieguskiza, snehi, gaurav.pahuja, rajeshwari10, dimaro, gargsuchi, pashupathi nath gajawada, penyaskito, Manuel Garcia, Mile23: Replace usages of deprecated method drupal render()"

This reverts commit ae3ee317.

Issue #2704871 by pepegarciag, ieguskiza, snehi, gaurav.pahuja, rajeshwari10, dimaro, gargsuchi, pashupathi nath gajawada, penyaskito, Manuel Garcia, Mile23: Replace usages of deprecated method drupal render()