Issue #3427564 by phenaproxima, Wim Leers, alexpott, omkar.podey, Berdir, smustgrave, larowlan: Require `langcode: …` only for simple config that contains translatable values

Issue #3392903 by borisson_, Wim Leers, phenaproxima: Validate inputs of TypeResolver::resolveExpression(): only allow %parent, %type and %key

Issue #3425875 by Wim Leers, phenaproxima, smustgrave: Add validation constraints to search.settings

Issue #3425337 by mondrake: Fix root namespace classes DebugClassLoader forward compatibility warnings

Revert "Issue #3425337 by mondrake: Fix root namespace classes DebugClassLoader forward compatibility warnings"

This reverts commit ea9cc753.

Issue #3425337 by mondrake: Fix root namespace classes DebugClassLoader forward compatibility warnings

Revert "Issue #3425337 by mondrake: Fix root namespace classes DebugClassLoader forward compatibility warnings"

This reverts commit ff7c5de3.

Issue #3425337 by mondrake: Fix root namespace classes DebugClassLoader forward compatibility warnings

Issue #3412361 by Wim Leers, phenaproxima, catch, effulgentsia: Mark Editor config schema as fully validatable

Issue #3382581 by phenaproxima, borisson_, larowlan, Wim Leers, quietone: Add new `EntityBundleExists` constraint

Issue #3406487 by Wim Leers, phenaproxima: Consistently use "dynamic type name" and "expression" instead of "variable value" in TypedConfigManager's terminology

Issue #3401883 by Wim Leers, phenaproxima, alexpott, borisson_, bircher: Introduce Mapping::getValidKeys(), ::getRequiredKeys() etc

Issue #3402168 by Wim Leers, alexpott, Berdir, bircher, borisson_, effulgentsia: Follow-up for #3361534: Config validation errors can still occur for contrib modules, disrupting contrib

Issue #3048495 by jonathan1055, quietone, rajandro, Spokje, Pooja Ganjage, andypost, kishor_kolekar, msuthars, munish.kumar, ankithashetty, ayushmishra206, ravi.shankar, naveenvalecha, longwave, Gábor Hojtsy, alexpott, smustgrave, Lendude, xjm, adityasingh, daffie: Fix Drupal.Semantics.FunctionTriggerError coding standard

Issue #2444979 by Wim Leers, webflo, borisson_, catch, Gábor Hojtsy, smustgrave: Trigger deprecation notice for old schema definition for sequence

Issue #3341682 by Wim Leers, phenaproxima, borisson_, catch, alexpott: New config schema data type: required_label

Issue #3379899 by Wim Leers, phenaproxima, jibran, borisson_: Follow-up for #3361534: config validation errors in contrib modules should cause deprecation notices, not test failures

Issue #3362456 by NickDickinsonWilde, Wim Leers, borisson_: Fix all ExtensionExistsConstraint constraint violations in tests

Issue #3362457 by Wim Leers, NickDickinsonWilde: Fix all PluginExistsConstraint constraint violations in tests

Issue #3372972 by Wim Leers, phenaproxima, NickDickinsonWilde, smustgrave: Fix all type: machine_name constraint violations in tests

Issue #3362453 by NickDickinsonWilde, Wim Leers, tim.plunkett, borisson_: Fix all ConfigExists constraint violations in tests

Issue #3361534 by Wim Leers, borisson_, longwave, catch: KernelTestBase::$strictConfigSchema = TRUE and BrowserTestBase::$strictConfigSchema = TRUE do not actually strictly validate

Issue #3361034 by Wim Leers, fago, borisson_, longwave:  Make 'sequence' Typed Data instances return type of 'sequence' instead of 'list'

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

Issue #3266568 by mxr576, sourabhjain, quietone: Refactor array_merge() usage in loops as possible for performance

Issue #3164210 by jungle, sylus, Akhildev.cs, dww: Refactor array_merge() usage in loops as possible for performance

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

Issue #2997100 by claudiu.cristea, alexpott, penyaskito, tstoeckler, Pancho, longwave, xjm: Introduce a way to deprecate config schemas

Issue #2869809 by dawehner, effulgentsia, tim.plunkett, tstoeckler: Make it easy to get typed config representations of entities

Issue #1928868 by dawehner, fago, Gábor Hojtsy, Jose Reyero, tstoeckler, Wim Leers, Berdir: Typed config incorrectly implements Typed Data interfaces

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

Issue #2361539 by alexpott, webflo, AjitS, himanshu-dixit, tameeshb, xjm: Config export key order is not predictable for sequences, add orderby property to config schema

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 #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard