Issue #2765849 by kiamlaluno: The description for template_preprocess() has not been update for Drupal 8

Issue #2760167 by kim.pepper, markcarver, jibran, dawehner, znerol, Wim Leers, larowlan, xjm, tim.plunkett: Add \Drupal\Core\Messenger\Messenger

Issue #2670966 by xjm, Crell, claudiu.cristea, alexpott, timmillwood, rakesh.gectcr, catch, dawehner, David_Rothstein, hchonov, martin107, tstoeckler, andypost, cilefen, RobLoach, Fabianx, salvis, hussainweb, JeroenT, larowlan, pfrenssen, daffie, webchick, wturrell: Warn users of old PHP versions

Issue #2791405 by alexpott, Thew, flocondetoile, eyilmaz, bsnodgrass, cilefen, aralnoth, xjm, mikeohara, jaybee@baelemans.eu, szeidler, Gábor Hojtsy, catch, gagarine, vaplas, claudiu.cristea, ckaotik, idebr: When installing a site in a language besides English, the site name is not saved and reverts to "Drupal"

Issue #1472946 by gnuget, andypost, mmrares, sidharthap, kiamlaluno, Himanshu5050, dineshkumares, amit.drupal: Remove usages of deprecated function drupal_realpath() throughout core functions

Issue #2920014 by billywardrop, shashikant_chauhan, anyaabchiche, dinarcon, sthomps5, mairi: Add Change record to @deprecated for Renderer service

Issue #2920005 by shashikant_chauhan, Janec, davemckain, dinarcon: Add Change record to @deprecated for email-validator service

Issue #2920009 by shashikant_chauhan, tedbow, dinarcon, kwhite: Add Change record to @deprecated for Date format changes

Issue #2920010 by shashikant_chauhan, tedbow, dinarcon, kwhite, xjm: Add Change record to @deprecated for AssetCollectionOptimizerInterface::getAll() and ::deleteAll()

Issue #2885309 by vaplas, drewklein, pk188, alexpott, Ayesh, arunkumark, andypost, klausi, xjm, mondrake: [PHP 7.2] each() function is deprecated

Issue #2920003 by mairi, shashikant_chauhan, tedbow, dinarcon, kwhite: Add Change record to @deprecated for redirect.destination service

Issue #2920008 by shashikant_chauhan: Add Change record to @deprecated for UrlHelper::stripDangerousProtocols()

Issue #2901562 by mfernea, Jo Fitzgerald, Yogesh Pawar, 3ssom, Mile23, borisson_: Fix 'Squiz.WhiteSpace.SuperfluousWhitespace' coding standard

Issue #2870194 by alexpott, Mile23, jibran, larowlan, tim.plunkett: Ensure that process-isolated tests can use Symfony's PHPunit bridge to catch usages of deprecated code

Issue #2920015 by mairi, tedbow, dinarcon: Add change record to @deprecated for drupal_render_children()

Issue #2920018 by sergiuteaca, billywardrop, anyaabchiche, Janec, JO0st, davemckain, dinarcon, sthomps5, mairi, jyraya, kwhite: Add Change record to @deprecated for element_info service

Issue #2915664 by alexpott, dawehner: Sites installed by InstallerTestBase should have a timezone of 'Australia/Sydney'

Issue #2901572 by Jo Fitzgerald, bluccas, mfernea, klausi: Fix 'Drupal.Commenting.PostStatementComment' coding standard

Issue #2901726 by mfernea, gmario, finn.lewis, robertoperuzzo, rachel_norfolk: Fix 'Squiz.Functions.MultiLineFunctionDeclaration' coding standard

Issue #2901739 by andriyun, Jo Fitzgerald, mfernea, xjm: Fix 'Squiz.Arrays.ArrayDeclaration' coding standard

Issue #2722699 by anoopjohn, mfernea, Mile23, martin107: Fix Drupal.Commenting.FunctionComment.InvalidReturnNotVoid

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

Issue #2902726 by mfernea, martin107: Fix 'Drupal.Commenting.FunctionComment.ParamCommentNotCapital' coding standard

Issue #2851111 by tedbow, tstoeckler, Munavijayalakshmi, dagmar, dawehner, catch, Fabianx, david_garcia, Nebel54, hchonov: fastcgi_finish_request and shutdown functions (e.g. batch) do not play nicely together

Issue #2892469 by shashikant_chauhan: deprecation notice for entity_get_form_display() is badly formatted and doens't display properly on api site

Issue #2873746 by johnshortess, maryedith, edwdeapri, Mile23: Add Change record to @deprecated for menu.inc

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 #2594553 by gambry, arshadcn, Sagar Ramgade, Yogesh Pawar, garnett2125, larowlan, lauriii: Add #maxlength to textarea in Form API

Issue #2764821 by Dinesh18, Alka Kumari, Calystod, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()

Revert "Issue #2764821 by Dinesh18, Alka Kumari, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()"

This reverts commit 4d14b5f2.

Issue #2764821 by Dinesh18, Alka Kumari, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()