Issue #3507052 by quietone, borisson_, alexpott: Enable LineLength for core/includes, lib, profiles, recipes and themes

Issue #3490843 by nicxvan, smustgrave, oily, joachim, berdir, alexpott, nikolay shapovalov, dww: Create class to replace hook_requirements('install')

Issue #3481778 by nicxvan, oily, dww, quietone, smustgrave, daffie, longwave, mikelutz: Deprecate functions using ModuleHandler::add()

Issue #3510499 by ggh, sivaji_ganesh_jojodae, smustgrave: Update Batch operations API documentation to use \Drupal::request() instead of deprecated \Drupal::getRequest()

Issue #2787025 by vidorado, vivek panicker, danmer, dfletcher, smustgrave: Setting #resizable on a textarea has no effect

Issue #2721309 by spokje, quietone, shalini_jha, anoopjohn, smustgrave: Fix Drupal.Commenting.FunctionComment.ParamCommentFullStop

Issue #3510498 by nexusnovaz, danrod, frondeau, ankitv18, borisson_: Fix parentheses mistake in sample code documentation

Issue #2927338 by berdir, anmolgoyal74, swatichouhan012, smustgrave, alexpott, gábor hojtsy: Ensure config entity langcode property does not change when installing, adding or editing a language

Issue #2340341 by jiv_e, berdir, joelpittet, Antti J. Salminen, nicxvan, larowlan, dawehner, alexpott: Move template_preprocess, _template_preprocess_default_variables into services

Issue #2937558 by quietone, nod_, jungle, borisson_, longwave, catch, smustgrave: Fix 'Drupal.Commenting.DocComment.ParamNotFirst' coding standard

Issue #3282744 by tr, smustgrave, ghost of drupal past, geek-merlin, nicxvan, danielveza: SAVED_DELETED is not used in D11, D10, D9, or D8 and should be removed

Issue #3490842 by nicxvan, alexpott, dww, smustgrave: Create hook_update_requirements() and hook_update_requirements_alter()

Issue #3477277 by fjgarlin, arunkumark, smustgrave, alexpott: Do not hardcode URL in two places, use constant instead

Issue #2422681 by berdir, catch, ressa, nicxvan, alexpott, longwave: Remove the automatic cron run from the installer

Issue #3098960 by pbonnefoi, godotislate, schaefdi, nod_, arunkumark, smustgrave, candalt: Nested paragraphs with same field name are ordered wrong

Issue #1986330 by bhanu951, subhojit777, marcelodornelas, ravi.shankar, immaculatexavier, wheatpenny, nikunjkotecha, shashikant_chauhan, vacho, smagdits, kasperg, aron.beal, andriansyah, suresh prabhu parkala, rajeevk, benjifisher, mangy.fox, cebasqueira, stefank, richardcanoe, quietone, yesct, AkshayKalose, drdam, DevElCuy, john cook, moymilo, alexpott, xjm, dawehner, tstoeckler, webchick, akashkumar07: When Batch ID doesn't exist, Drupal should emit a 404

Issue #3123067 by quietone, smustgrave, alexpott, catch, larowlan: Fix 'Drupal.Semantics.FunctionT.NotLiteralString' coding standard

Issue #3492705 by catch, nicxvan, mikelutz, longwave: Install modules with container_rebuild_true set by themselves

Issue #3416522 by catch, alexpott, longwave, phenaproxima, nicxvan, wim leers, smustgrave, larowlan, berdir, godotislate, dww: Add the ability to install multiple modules and only do a single container rebuild to ModuleInstaller

Issue #3483299 by tstoeckler, mstrelan, nicxvan: Add void return type to all preprocess hook implementations

Issue #3330481 by spokje, quietone, mstrelan, smustgrave: Fix PHPStan L2 error "PHPDoc tag @foo has invalid value (Bar)"

Issue #3477527 by tobiasb, manibharathi ezhimalai ravi: Remove datepicker polyfills attributes for datetime element

Issue #3442009 by nicxvan, joachim, quietone, bhanu951, godotislate, longwave, catch, acbramley, solideogloria, mstrelan, fabianx, sun, donquixote, dawehner, benjy, claudiu.cristea, dpi: OOP hooks using attributes and event dispatcher

Issue #3478417 by longwave, cmlara: Error handler crashes with Undefined constant "DRUPAL_TEST_IN_CHILD_SITE"

Issue #3457781 by catch, longwave, senscybersecurity, cmlara, cilefen, poker10, greggles, alexpott, ericgsmith, xjm: Maintenance pages leak sensitive environment information

Issue #3462868 by annmarysruthy, yujiman85, nexusnovaz, pierregermain, ankitv18, sheetal-wish, smustgrave, lostcarpark, rodrigoaguilera, ultimike: Replace url usage of http://www.w3.org with https://www.w3.org in core