Issue #3086307 by alexpott, shaal, tstoeckler, mglaman, Berdir, andypost, chr.fritsch, borisson_: Improve installer performance by ~20% by rebuilding the router after the entire installation is complete rather than after each module

Issue #3123210 by nitesh624, Hardik_Patel_12, jameszhang023, sanjayk, jungle, alexpott: Replace non-test usages of \Drupal::theme() with IoC injection

Issue #3160169 by jameszhang023: Unused variable $a in \Drupal\taxonomy\Plugin\Validation\Constraint\TaxonomyTermHierarchyConstraintValidator::validate()

Issue #3153394 by azslay, joegraduate, hedrickbt, Shoshana Mayden: Document route:<button> in LinkWidget help text

Issue #2728507 by Lendude, Kristen Pol, pameeela: Not selecting an entity type on Config import single leads to a fatal error

Issue #3152398 by Hardik_Patel_12, alexpott, rajandro, ravi.shankar, ultrabob, siddhant.bhosale, daffie, andypost, voleger, Berdir, mondrake, catch, longwave: Change static queries to dynamic queries in core/tests/Drupal

Issue #3157919 by ultrabob, Hardik_Patel_12, shaktik, nijolawrence, alexpott, lauriii, Berdir, kiamlaluno: Remove unused variable $node from link module

Issue #2934904 by kiamlaluno, ridhimaabrol24, Kristen Pol: Replace protected properties of TempStoreDatabaseTest with local variables

Issue #3121847 by alexpott, joegraduate, greg.1.anderson, mmjvb: Composer project templates do not support drupal-custom-profile installer package type

Issue #3157895 by dww, andypost, alexpott: Move 'install_time' state update from \Drupal\Core\Installer\Form\SiteConfigureForm to installed_finished()

Issue #3095740 by shimpy, Rangaswini, jhodgdon, pratik_kamble, VladimirAus, Adsyy: Convert menu_link_content, menu_ui module hook_help() to topic(s)

Issue #3085751 by alexpott, Deepak Goyal, rpayanm, longwave, catch, volkerk, kristiaanvandeneynde, dww: [backport] Setter injection arguments are not checked for unmet dependencies

Issue #3116858 by alexpott, daffie, catch, andypost, Mile23, neclimdul: Don't cache whole extension objects in FileCache

Issue #3159528 by jameszhang023, jungle, longwave: Fix typos: "exeption|gaurd|ouptut|withut|defintion" in core

Issue #3159735 by mstrelan: LegacyProject and RecommendedProject templates still reference Drupal 8 in the description for Drupal 9 branches

Issue #3159531 by jameszhang023, ipumpkin, jungle, longwave: Fix typos: "attibute|uneccesarilly|colletion|constucts|worklow" in core

Issue #2625136 by heddn, dww, kevin.dutra, sukanya.ramakrishnan, finne, jofitz, Saviktor, rensingh99, matsbla, plach, benjifisher, larowlan, jhedstrom, Lendude, GoZ, catch, jweakley, worldlinemine, Charles Belov, dawehner, alexpott, lauriii: Fix label visibility and add wrapper container for exposed numeric/date filters with multiple form elements

Issue #3089745 by aleevas, larowlan, dipakmdhrm, pameeela, seycom, joey-santiago, xjm, seanB, rooby: Add focus behaviour for media widget with max elements

Issue #3158286 by kiamlaluno, Hardik_Patel_12, longwave: Unused local variables from BubbleableMetadataTest.php file

Issue #3091309 by tim.plunkett, godotislate, paulocs, thursday_bw, alexpott, TwiiK: Broken context-aware block plugins throw an unexpected exception

Issue #3155563 by mcdruid, mrinalini9, Hardik_Patel_12, mondrake, daffie: select query should quote aliases which are reserved words in MySQL

Issue #3158562 by jhodgdon, pameeela, dww, sime, Kristen Pol: Consistently refer to "menu links" as that, not "menu items", in the UI

Issue #3039991 by amateescu, lpeabody, bgreco, plach: Base field purging is not handling translatable fields correctly

Issue #3134300 by quietone, alexpott, benjifisher: Simplify ReviewForm::buildForm() and the resulting markup

Issue #2656570 by idebr, longwave, mrinalini9, Kristen Pol, joachim: DraggableListBuilder does not escape the entity label

Issue #3047719 by agrochal, shimpy, Manav, jhodgdon, hash6, Sarahphp1, batigolix, alonaoneill, ketansevekari, EricRubino, rkoller: Convert search module hook_help() to topic(s)

Issue #3159382 by Beakerboy: Sort order not specified in view test_view_fieldapi, but results must be ordered by nid

Issue #3139428 by jungle, ridhimaabrol24, Hardik_Patel_12, mondrake, mrinalini9, Bunty Badgujar: Replace usages of deprecated AssertLegacyTrait::assert(No)FieldChecked()

Issue #3158292 by Hardik_Patel_12, kiamlaluno: Remove unused variables from FormAjaxResponseBuilderTest.php file

Issue #2780869 by claudiu.cristea, Lendude, joachim, jmadden27: Cannot save a view where a filter value option contains a period

Issue #3067622 by jhodgdon, batigolix, felribeiro, DeepaliJ, Amber Himes Matz, volkswagenchick, eeyorr: Convert forum module hook_help() to topic(s)