Issue #3386076 by fjgarlin, catch, longwave, larowlan, mstrelan, el7cosmos, RoSk0, xurizaemon, poker10, alexpott, bbrala, nick_schuch: GitLab CI integration for core

Issue #3050578 by elber, quietone, nitin_lama, fengtan, smustgrave, catch, karolinam: Remove unused function getSchemaUpdates()

Issue #3375494 by Yujiman85, joachim, smustgrave: incorrect sample code in docs for hook_library_info_build

Issue #3187314 by Pooja Ganjage, nlisgo, mondrake, longwave: Move BrowserTestBaseTest tests checking WebAssert methods to WebAssertTest

Issue #3377356 by mondrake, catch, longwave: Make DebugClassLoader ignored deprecations more accurate

Issue #3173103 by TolstoyDotCom, aludescher, smustgrave, J., jonathan1055, TR: False positives when identifying what is a placeholder, for deprecation error

Issue #3380624 by danflanagan8, lauriii, ioannis.cherouvim: Toolbar username lazy builder only XSS filters but doesn't escape user display name - stored remote request

Issue #3335653 by mherchel, Spokje: commit-code-check.sh doesn't allow optional chaining in JavaScript

Issue #3386602 by alexpott: Remove incorrect spellings from the dictionary that are no longer in the codebase

Issue #3386294 by Gauravvvv, shweta__sharma, bandanasharma, smustgrave: Alignment of action button (Apply to selected items) is not correct

Issue #2352175 by b_sharpe, Berdir, smustgrave, Wim Leers, catch, bkosborne, fgm, alexpott, xjm, dawehner, gregsullivan: Taxonomy views filters should not have user context

Issue #2786941 by sadashiv, roshnichordiya, neclimdul, kishor_kolekar, dawehner, gnuget, Abhijith S, wengerk, firfin, froboy, pbuyle: Simplified custom access checker does not have access to Request

Issue #3386482 by alexpott, mondrake: DiffOpOutputBuilder does not correctly match the 10.0.x implementation and produces unexpected output

Issue #3152561 by lexbritvin, tim.plunkett, EricRondo, TwiiK: Layout Builder jumps to top when removing section/block

Issue #3291587 by joseph.olstad, lauriii, longwave: Regression fix for (if feasible) uses of the jQuery trim function to use vanillaJS

Issue #3326130 by quietone: Add an example to Drupal\migrate\Plugin\migrate\process\SkipOnEmpty doc block

Issue #3379522 by finnsky, Gauravvvv, kostyashupenko, smustgrave, Chi: Revert broken flexbox after Branding component creation

Issue #3384679 by Gauravvvv, kostyashupenko, neclimdul, PickyOrder, mgifford: aria-current is giving an invalid value

Issue #3260276 by arunkumark, jasonawant, ravi.shankar, TomTech, quietone, danflanagan8, catch, mikelutz, alexpott: Add static cache to Migration FieldableEntity::getFields

Issue #3377256 by elber, znerol, smustgrave, longwave, jungle, andypost: Correctly implement SessionHandlerInterface

Issue #2914251 by quietone, maxocub, masipila, larowlan: Move forum related logic from taxonomy migrations to new forum migrations

Issue #3380107 by acbramley: optionExists throws exception with incorrect type if option doesn't exist

Issue #3379984 by kristiaanvandeneynde, bbrala, quietone: Refactor ResourceObjectNormalizationCacher to use VariationCache

Issue #2010368 by fjgarlin, Pancho, poker10, daffie: Installer can't create new database on PostgreSQL

Issue #2791693 by nginex, acbramley, oknate, guaneagler, jan kellermann, jonathan1055, jibran, ankithashetty, dpi, Jelle_S, FeyP, kattekrab, smustgrave, mpdonadio, quietone, AaronMcHale, rkoller, BlackBamboo, simohell, Jody Lynn, shaal, notmike: Remove sample date from date field error message and title attribute

Issue #3100826 by ilya.no, mwilbur, nikita_tt, smustgrave, quietone: AJAX pager doesn't work with exposed filter which has a default value

Issue #3382843 by shweta__sharma, Gauravvvv, smustgrave: Olivero: RSS feed block is not placed as per design on smaller screen

Issue #3311469 by Rajeshreeputra, Internetter, fjgarlin, skyredwang: Absolute path for oembed iframe

Issue #3364506 by Wim Leers, effulgentsia, catch, lauriii, borisson_, smustgrave, tim.plunkett, Dave Reid: Add optional validation constraint support to ConfigFormBase

Issue #2986962 by fjgarlin, ppseftogiannis, smustgrave, Sut3kh: BrowserTestBase::drupalGet() does not appear to be handling base url properly

Issue #3355787 by joachim, smustgrave, Mile23: Identify which browser tests should be running the language settings form and add a @covers to document it

Issue #3358049 by narendraR, lauriii, srishtiiee, Utkarsh_33, Wim Leers, tim.plunkett, tedbow, bnjmnm, smustgrave, Berdir, amateescu, larowlan: Save FieldStorageConfig at the same time as FieldConfig