Issue #1170362 by alexpott, catch, pillarsdotnet, sun, jofitz, geerlingguy, steinmb, tresti88, DamienMcKenna, dpovshed, imclean, bradjones1, mErilainen, David_Rothstein, KarenS, BTMash, rickmanelius, Anonymous, smustgrave, Wim Leers, kreynen, webchick, websiteworkspace, phenaproxima, Kiphaas7, bbrala: Install profile is disabled for lots of different reasons and core doesn't allow for that

Issue #2942001 by dimitriskr, alexpott, gaurav.kapoor, smustgrave, andypost, almaudoh: Deprecate ThemeHandlerInterface::rebuildThemeData() and use extension.list.theme service instead

Issue #3001430 by alexpott, _utsavsharma, Oscaner, lauriii, smustgrave, ifux, deviantintegral, pameeela: Unable to uninstall base theme and subtheme via config sync at the same time

Issue #2392815 by alexpott, pooja saraah, bircher, cilefen, pratik_specbee, catch, fago: Module uninstall validators are not used to validate a config import

Issue #3222769 by bbrala, alexpott, longwave, Matroskeen: [November 8, 2021] Replace all list (array destructuring) assignment to the array syntax

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

Issue #2824935 by idebr, mfernea, Deepak Goyal, pfrenssen, longwave, hgunicamp, jofitz, andypost, daffie: Fix Squiz.ControlStructures.SwitchDeclaration coding standard

Issue #2926068 by almaudoh, andypost, voleger, claudiu.cristea, Oleksiy, YurkinPark, yo30, alexpott, dawehner, Berdir: Deprecate system_rebuild_module_data() and remove usages in core

Issue #2980670 by alexpott, bircher, marcvangend, webchick, jibran, Gábor Hojtsy, benjifisher, smaz: Install a site from config if the config directory is set in settings.php

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

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 #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable

Revert "Issue #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable"

This reverts commit 480eb82c.

Issue #2156401 by alexpott, moshe weitzman, tedbow, dawehner, greg.1.anderson, phenaproxima, chris.smith, heddn, balsama, xjm, Mile23, izus, Manuel Garcia, sun, pwolanin, Berdir: Write install_profile value to configuration and only to settings.php if it is writeable

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

Issue #2416109 by alexpott, bircher, xjm, dawehner: Validate configuration dependencies before importing configuration

Issue #2236553 by xjm, dags, Gaelan, alexpott: Config import validation needs to be able to list multiple issues and the messages should be translatable.

Issue #1808248 by alexpott, beejeebus, tayzlor, Nitesh Sethia: Add a separate module install/uninstall step to the config import process.

Issue #1890784 by alexpott, YesCT, heyrocker, tim.plunkett, EllaTheHarpy, beejeebus: Refactor configuration import and sync functions.