Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2877030 by c.nish2k3, martin107, gaurav.kapoor, Mile23, dawehner: Remove stale deprecated code

Issue #2941494 by jhedstrom, Lendude: Deprecate SystemConfigFormTestBase and create kernel test version

Issue #2907728 by Lendude, vaplas, dawehner, jibran, alexpott, Mile23: Installer: Convert system functional tests to phpunit

Issue #2857857 by vegantriathlete, Jo Fitzgerald, snehi, plach, xjm, Skabbkladden: Check use of "it's" in core to ensure proper use

Issue #2809635 by markconroy, navneet0693, alexpott, smaz, larowlan, Eli-T, webchick, yoroy, ikit-claw, budda, kjay, timmillwood, tkoleary, Gábor Hojtsy, andrewmacpherson, lauriii, JayKandari, jibran, ok_lyndsey, big_man, ckrina, nathancz, Paul_Gregory, vijaycs85, SharJay, tomphippen, tim.plunkett, Tarun Lewis, cehfisher, kreynen, Petr Illek, mariohernandez, thamas, thatdamnqa, John Cook, philipnorton42, h2cm, kattekrab, martin_q, waako: Create experimental installation profile

Issue #2923567 by Sam152, amateescu: Select from correct entity tables for additional entity/field definitions when moving data to dedicated table storage from shared table storage for the purposes of purging

Issue #2927766 by Wim Leers: Update ResponseGeneratorTest to use the BrowserTestBase base class instead of the deprecated RESTTestBase

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

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

Issue #2840392 by Wim Leers, JacobSanford, Yogesh Pawar, dawehner, xjm, effulgentsia, Mixologic, Bojhan, webchick, Gábor Hojtsy, yoroy: Enable BigPipe by default in the Standard install profile

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

Issue #2572787 by alexpott, mfernea, attiks, andriyun, andypost, RoSk0, hussainweb, klausi, martin107: Fix 'Drupal.WhiteSpace.CloseBracketSpacing' coding standard

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

Issue #2901789 by mfernea, andriyun, borisson_: Fix 'PEAR.Functions.FunctionCallSignature' coding standard

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

Issue #2715485 by harsha012, mfernea, malavya, himanshu-dixit, vprocessor, tameeshb, Mile23, RajeevK, Jo Fitzgerald, tiago.urbano, xjm, klausi: Fix 'Drupal.Commenting.InlineComment.NoSpaceBefore' coding standard

Issue #2909952 by edwardaa: Flood MemoryBackend::isAllowed() throws exception: 'Undefined index: xxx'

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

Revert "Revert "Revert "Issue #2715485 by harsha012, malavya, himanshu-dixit, mfernea, vprocessor, tameeshb, Mile23, Jo Fitzgerald, klausi, xjm: Fix 'Drupal.Commenting.InlineComment.NoSpaceBefore' coding standard"""

This reverts commit b0675761.

Revert "Revert "Issue #2715485 by harsha012, malavya, himanshu-dixit, mfernea, vprocessor, tameeshb, Mile23, Jo Fitzgerald, klausi, xjm: Fix 'Drupal.Commenting.InlineComment.NoSpaceBefore' coding standard""

This reverts commit 964954e1.

Revert "Issue #2715485 by harsha012, malavya, himanshu-dixit, mfernea, vprocessor, tameeshb, Mile23, Jo Fitzgerald, klausi, xjm: Fix 'Drupal.Commenting.InlineComment.NoSpaceBefore' coding standard"

This reverts commit 2df73e2c.

Issue #2715485 by harsha012, malavya, himanshu-dixit, mfernea, vprocessor, tameeshb, Mile23, Jo Fitzgerald, klausi, xjm: Fix 'Drupal.Commenting.InlineComment.NoSpaceBefore' 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 #2887099 by naveenvalecha, Lendude, Manuel Garcia: Menu: convert system functional tests to PHPUnit

Issue #2867154 by Manuel Garcia, vaplas, naveenvalecha, Lendude, phenaproxima, dawehner: Form: Convert system functional tests to phpunit