Issue #2010380 by alexpott, TR, tstoeckler, MerryHamster, sanjayk, andypost, chx, Pancho, daffie: Deprecate module_load_install() and replace it with ModuleHandler::loadInstall

Issue #3258009 by alexpott: migrate_state_finished_test's FieldLeft and FieldRight plugins are not namespaced correctly

Issue #3106216 by Spokje, longwave, alexpott, apaderno, Hardik_Patel_12, daffie: Remove unused variables from core

Issue #3128982 by davidwbarratt, Spokje, andypost, Barryvdh, larowlan, catch, alexpott: Upgrade asm89/stack-cors to ^2.0 to fix cacheability

Issue #2612876 by leolandotan, NickDickinsonWilde, victoria-marina, gaurav.kapoor, anagomes, xjm: Fix \Drupal\Core\Asset\CssOptimizer::processFile() docblock

Issue #697946 by voleger, pguillard, pillarsdotnet, andypost, alansaviolobo, alexpott, vaibhavjain, MerryHamster, sja112, kim.pepper, shaktik, ravi.shankar, Pooja Ganjage, daffie, Mile23, legolasbo, joelpittet, almaudoh, xjm, Berdir, scor: Properly deprecate module_load_include() and move it into \Drupal::moduleHandler() service

Issue #3094493 by longwave, Gábor Hojtsy, alexpott, naveen433, Chi, catch, andypost, Krzysztof Domański, shaal, xjm, fgm, Luke.Leber, daffie, Berdir, Fabianx, effulgentsia: Upgrade to Twig 3

Issue #3031130 by tim.plunkett: \Drupal\Core\KeyValueStore\MemoryStorage::rename() erases data if keys match

Issue #3255250 by murilohp, daffie, longwave, Gábor Hojtsy: [Symfony 5] TranslatorInterface::transChoice() is deprecated

Issue #3210310 by mondrake, murilohp, andypost, daffie, alexpott: Adjust Database API to remove deprecated Drupal 9 code in Drupal 10

Issue #3247619 by Lendude, danflanagan8, FiNeX, beatrizrodrigues: "Place a colon after the label" not working on grouping field label on views

Issue #2879293 by digitaldonkey, tobiasb, Mac_Weber, paulocs, Meenakshi_j, stefan.korn, ranjith_kumar_k_u, longwave, alexpott: Make Link URI required if there is Link Text input

Issue #3014629 by quietone, Wim Leers, xurizaemon: Document that Configuration migrations can depend on Content migrations

Issue #3175428 by tunic, kishor_kolekar, ranjith_kumar_k_u: Add link to "Trusted host settings" in default.settings.php

Issue #3190261 by danflanagan8, doostinharrell, phenaproxima, larowlan, paulocs: MediaLibraryWidget can trigger an AJAX error if all media types can be referenced

Issue #2916142 by beatrizrodrigues, Chi, yogeshmpawar, tobiberlin, quietone, borisson_: Decimal and Float item generates wrong sample values

Issue #3240109 by edurenye, quietone: When using MigrateProcessInterface some fields might expect something different than array or string

Issue #2610520 by quietone, snehi, MiSc, hansfn, Ben Coleman, Antoniya: Documentation about aggregator feed block incorrect

Issue #2343517 by joelpittet, quietone, rteijeiro, andypost: Cleanup @todo referring to the config dependencies API issue

Issue #2853183 by quietone, darvanen, slootjes, Munavijayalakshmi, himanshu-dixit, shubham.prakash, gaurav.kapoor, prash_98, alexpott, JohnAlbin: Correct references from Symfony Framework

Issue #3190541 by tim.plunkett, godotislate, clayfreeman: LayoutBuilderIsActiveCacheContext not providing correct context value

Issue #3042533 by quietone, danflanagan8: D6 taxonomy term fields are not migrated with allowed vocabularies

Issue #3175287 by murilohp, quietone, SivaprasadC, ankithashetty, anmolgoyal74, sarvjeetsingh, xjm, longwave: Remove accidentally duplicated words in code comments

Issue #3185269 by mondrake, daffie, alexpott, andypost: Introduce Connection::lastInsertId and deprecate the 'return' query option and Database::RETURN_* constants

Issue #3174570 by quietone, anmolgoyal74, skudderk: Fix documentation comment in MainContentViewSubscriber

Issue #3255243 by longwave, kim.pepper, Gábor Hojtsy, andypost: Replace Diactoros' PSR-17 implementation with Guzzle's

Issue #3210129 by quietone, murilohp, xjm: Fix spelling for words used once, beginning with 'a' -> 'd', inclusive

Issue #2940121 by apaderno, andypost, idebr, Kingdutch, kala4ek, mfb, alexpott, Berdir: ConfigurableLanguageManager::getLanguageSwitchLinks() doesn't respect what LanguageManagerInterface::getLanguageSwitchLinks() says to return

Issue #3246471 by apaderno, dagmar, vicheldt: Remove from the DbLogController class the properties already defined from the parent class

Issue #3249859 by apaderno: The documentation page for NestedArray::unsetValue() shows example code that uses NestedArray::unset_nested_value()

Issue #3251835 by beatrizrodrigues, joachim, mikelutz, quietone: Fix incorrect @return docs and description for Row::getSource()