Issue #3035274 by claudiu.cristea, naveenvalecha, Berdir: Deprecate drupal_classloader_register() & system_register()

Issue #3021450 by kim.pepper, jibran, voleger, alexpott, Berdir: Add @trigger_error to deprecated functions in file.inc and replace their usages

Issue #2244513 by kim.pepper, phenaproxima, 20th, andrei.dincu, beejeebus, Berdir, alexpott, jibran, andypost, larowlan, Chadwick Wood, acbramley, Wim Leers, sun, xjm, YesCT, chx, tim.plunkett: Move the unmanaged file APIs to the file_system service (file.inc)

Revert "Issue #2244513 by kim.pepper, phenaproxima, 20th, andrei.dincu, beejeebus, Berdir, jibran, alexpott, andypost, larowlan, Chadwick Wood, Wim Leers, acbramley, YesCT, sun, tim.plunkett, chx: Move the unmanaged file APIs to the file_system service (file.inc)"

This reverts commit 56be1a03.

Issue #2244513 by kim.pepper, phenaproxima, 20th, andrei.dincu, beejeebus, Berdir, jibran, alexpott, andypost, larowlan, Chadwick Wood, Wim Leers, acbramley, YesCT, sun, tim.plunkett, chx: Move the unmanaged file APIs to the file_system service (file.inc)

Issue #2677532 by alexpott, Mile23, kim.pepper, dawehner, andypost, Eric_A, xjm, Mixologic, larowlan, phenaproxima, markcarver, borisson_: Move drupal_check_incompatibility() functionality to a new Dependency class and Version component

Issue #2309731 by bendeguz.csirmaz, phenaproxima, alexpott: drupal_check_profile() does not invoke the profile's hook_requirements()

Issue #2855026 by phenaproxima, trobey, HaiNguyen007, alexpott, Taran2L, -enzo-, Jo Fitzgerald, tucho, DamienMcKenna, andypost, tobiasb, dawehner, larowlan: Installation profiles do not support project:module format for dependencies

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 #2788777 by alexpott, bircher, jribeiro, Eli-T, mpotter, douggreen, GoZ, DamienMcKenna, Dane Powell, jibran, szeidler, Alumei, andypost, dawehner, johndevman: Allow a site-specific profile to be installed from existing config

Issue #2950851 by mcdruid, alexpott, anavarre: invalid conf file warnings when skip_permissions_hardening is on

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2776605 by chr.fritsch, phenaproxima, dawehner: Make it possible to specify a destination after the installation for distributions

Issue #2208429 by dawehner, almaudoh, alexpott, jibran, Xano, donquixote, amitgoyal, bircher, stefan.r, Mile23, alvar0hurtad0, Berdir, andypost, larowlan: Extension System, Part III: ExtensionList, ModuleExtensionList and ProfileExtensionList

Issue #2935254 by kim.pepper: Remove all usages of drupal_get_message and drupal_set_message in core includes

Issue #2803891 by Jo Fitzgerald, pfrenssen, mfernea, gaurav.kapoor: Fix 'Drupal.Commenting.FunctionComment.ReturnTypeSpaces' 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

Issue #2838205 by 20th, panshulk, Damien Flament: Invalid YAML syntax in code examples in documentation

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 #2608408 by nlisgo, dagmar, aleevas, neclimdul, BR0kEN, gaydabura, pfrenssen, zuuperman: Call to a member function getPath() when installing Profiles with unknown modules as requirement

Issue #2466197 by alexpott, heddn, dawehner, pjcdawkins: Staging directory should not have to be writeable

Issue #2716661 by anoopjohn: Fix 'Drupal.Commenting.FunctionComment' coding standard - Issues related to @see references

Issue #2572777 by andypost, alexpott, attiks, andriyun: Fix 'Squiz.Strings.ConcatenationSpacing' coding standard

Issue #2700661 by anoopjohn: Ensure core compliance to Drupal.Commenting.FunctionComment.ParamCommentIndentation (part 1).

Issue #2580569 by anavarre, Davinder.Snehi, Schnitzel, jhodgdon: Update documentation that mentions active CMI directory. active was removed

Issue #2487588 by YesCT, Leksat, Schnitzel, alexpott, anavarre, xjm: Move CMI import/export directory "staging" to "sync", as it is confused with staging environments

Issue #478994 by valthebald, sushantpaste, LewisNyman, InternetDevels, Xano, lucastockmann, alansaviolobo, mgifford, emmajane: Please state the version you are installing

Issue #2572599 by stefan.r, dawehner, pwolanin, amateescu: Replace !placeholder with @placeholder in a few remaining places

Issue #2570355 by Sutharsan, stefan.r, kgoel, josephdpurcell, joelpittet, justAChris, dawehner, pfrenssen, pwolanin, David_Rothstein, catch: Replace remaining !placeholder and @placeholder with :placeholder for URLs

Issue #2487592 by alexpott, JeroenT, Schnitzel, cilefen: CMI: don't ship with a default "active" directory that is empty in most Drupal installations