Issue #1149078 by vasike, wuinfo - Bill Wu, dww, Gauravvvv, Marios Anagnostopoulos, peterpoe, VladimirAus, legolasbo, GoZ, mgifford, dalin, jrb, heddn, himanshupathak3, _utsavsharma, GrandmaGlassesRopeMan, arcaneadam, danflanagan8, arnaud-brugnon, Daniel Kulbe, uzlov, Kuntyi, DamienMcKenna, Neslee Canil Pinto, COBadger, jofitz, esod, sukanya.ramakrishnan, nod_, droplet, smustgrave, CKIDOW: States API doesn't work with multiple select fields

Issue #1215784 by Saphyel, jenlampton, penyaskito, jlscott, simohell, sanjusci, StephaneQ, jeffschuler, scresante, droplet, Shivam Agarwal, xjm, jbrown, alexpott, quicksketch, Gábor Hojtsy, smustgrave, ianthomas_uk, TR, bleen, nlisgo, catch: Terminology update: don't say "Resolution" when we mean "Dimensions"

Issue #2707291 by Utkarsh_33, lauriii, darvanen, samuel.mortenson, hooroomoo, komalk, narendraR, Vidushi Mehta, sasanikolic, droplet, smustgrave, yoroy, Bcwald, kostyashupenko, penyaskito: Disable body-level scrolling when a dialog is open as a modal

Issue #2998451 by bnjmnm, HOG, lauriii, ndf, gaurav-mathur, Ambient.Impact, Chi, nod_, andy-blum, droplet: Toolbar tray rendering can result "flickering" resizing of content area to accommodate open trays

Issue #2921810 by claudiu.cristea, nod_, seanB, yogeshmpawar, dww, Wilfred Waltman, joelpittet, askibinski, ankithashetty, ravi.shankar, jonathanshaw, alexpott, kostyashupenko, webchick, danflanagan8, catch, droplet, larowlan, mpdonadio, jhedstrom, AaronMcHale, dawehner, Wim Leers, ckrina, worldlinemine: Allow TimestampFormatter to show as a fully cacheable time difference with JS

Issue #3244737 by longwave, droplet, andypost, joshua1234511, Satyajit1990, klonos: "core/drupal.checkbox" (misc/checkbox.js) has never loaded on user permission page

Issue #2894269 by droplet, Akram Khan, _pratik_, dylf, nod_, Cottser: `bool` in JSDoc should be `boolean`

Issue #2927407 by Akram Khan, anmolgoyal74, droplet, Pooja Ganjage, Tom Konda, nod_, alexpott: Follow-up: remove unnecessary returns in ajax.js

Issue #3196973 by casey, nod_, andypost, yogeshmpawar, droplet, Wim Leers, justafish, finnsky: Use Mutation observer for BigPipe replacements

Issue #1988968 by nod_, droplet, bnjmnm, viappidu, extect, jansete, olli, martin107, pmagunia, bartlangelaan, Wim Leers, zrpnr, KapilV, yogeshmpawar, Spleshka, Phil Wolstenholme, DuaelFr, agata.guc, alwaysworking, dawid_nawrot, andriic, keithdoyle9, gapple, lauriii, Martijn de Wit, jefuri, JMOmandown, larowlan, rubens.arjr, borisson_, joseph.olstad, jberube, gilgabar, Poindexterous, Aless86, jessebeach, bojanz, phma, aheimlich, heddn, phenaproxima, acbramley, codebymikey, cmlara, das-peter, matthiasm11, acolden, xjm, jrockowitz, pianomansam, clairemistry, John Pitcairn: Drupal.ajax does not guarantee that "add new JS file to page" commands have finished before calling said JS

Issue #2588013 by sumthief, aneek, tic2000, droplet, nod_, GuyPaddock, arunkumark, Manjit.Singh, anil280988, Wim Leers, larowlan, Lendude: <span class="ajax-new-content" style="display:inline-block;"> causes unwanted whitespace

Issue #3251384 by mherchel, xjm, catch, ckrina, longwave, andy-blum, droplet, lauriii, bnjm: Remove support for UC Browser

Issue #2168711 by yogeshmpawar, droplet, mariancalinro, bnjmnm, peterpoe, lauriii, Kgaut, nod_, benjifisher:  Modernizr.touchevents use can lead to scenarios that break contextual links

Issue #3233491 by hooroomoo, xjm, lauriii, nod_, justafish, droplet, effulgentsia: Create process for reviewing changes in 3rd party JavaScript dependencies

Issue #2807241 by Stefdewa, jhodgdon, Lendude, droplet, pjbaert, alexpott: Funky code in Views UI to make Add display list doesn't work in non-English languages

Issue #3261734 by Wim Leers, longwave, lauriii, effulgentsia, Mixologic, droplet: Require Node.js 16

Issue #3253148 by mherchel, longwave, ckrina, droplet: Remove IE from core's browserlist, remove non-essential CSS importing and recompile assets

Issue #1551534 by Lendude, vsujeetkumar, neclimdul, b_sharpe, devert, bcn, henkholtrop, heykarthikwithu, richmac, seanB, casey, mishac, alansaviolobo, idebr, lauriii, dawehner, alexpott, BramDriesen, randell, ilya.no, muka, DamienMcKenna, Dom., dnewkerk, tim-diels, natted, slayne40, Spry_Julia, Jibus, cpliakas, pbouchereau, S3b0uN3t, HongPong, rfbrandsma, grantkruger, sanderwind, borisson_, nerdacus, mglaman, mvwensen, jmickela, droplet: Submit buttons themed as <button> element fail to trigger ajax in Views exposed forms

Issue #3173900 by mherchel, kuldeep_mehra27, Spokje, nod_, mglaman, droplet: Refactor Olivero's JavaScript Drupal behaviors to use once()

Issue #2402103 by nod_, bnjmnm, larowlan, flxa, anmolgoyal74, droplet, xjm, catch, gabesullice, lauriii, Dries, justafish: Add once.js to core

Issue #3038234 by Lendude, Gábor Hojtsy, alexpott, xjm, naveenvalecha, zviryatko, Dinesh18, catch, hchonov, cspitzlay, ziomizar, impalash, navneet0693, phenaproxima, snetcher, yogeshmpawar, pasan.gamage, longwave, tstoeckler, Meenakshi.g, Abhijith S, Utkarsh_Mishra, Spokje, shashikant_chauhan, nginex, mglaman, zaporylie, RytoEX, justinlevi, joachim, mondrake, vijaycs85, Mile23, andypost, borisson_, larowlan, GoZ, jofitz, michielnugter, jibran, Wim Leers, ApacheEx, dawehner, martin107, nlisgo, Berdir, Mixologic, Tessa Bakker, boaloysius, scuba_fly, mpdonadio, Manuel Garcia, claudiu.cristea, dagmar, klausi, jonathan1055, anmolgoyal74, jhodgdon, Antonnavi, IRuslan, Mac_Weber, blazey, Ujin, tanmayk, nuez, hswong3i, jmuzz, legovaer, mkalkbrenner, lomasr, marcoscano, maxocub, DuneBL, cilefen, droplet, himanshu-dixit, esoteric1, zahord, wengerk, mohit1604, quietone, sun, tar_inet, tameeshb, gaurav.kapoor, dan2k3k4, Krzysztof Domański, jhedstrom, msankhala, roderik, pritish.kumar, Hardik_Patel_12, sulfikar_s, kostyashupenko, mherchel, nnevill, scott_euser, proeung, saurabh.tripathi.cs, MerryHamster, tim.plunkett, voleger, Pavan B S, brentgees, bircher, markdorison, m1r1k, babruix, NickDickinsonWilde, bapi_22, ceardach, eli-on-drupal, dcam: The PHPUnit Initiative is complete!

Issue #1936708 by bnjmnm, espurnes, bendev, nod_, justinchev, ayushmishra206, vsujeetkumar, mbroere, mrinalini9, Knee-X, vacho, priyanka.sahni, jaspreetsingh31, paulocs, sokru, joum, kwoxer, yoroy, lauriii, rootwork, droplet: Current element values missing from vertical tabs when shown in 2-column layout

Issue #3070745 by AndyF, ravi.shankar, olli, tedbow, samuel.mortenson, droplet, alexpott: Off canvas filling up localStorage's quota, causing errors

Issue #2550717 follow-up by droplet, bnjmnm, tedbow, lauriii: [JS] Replace jQuery.cookie with JS-cookie and provide a BC layer

Issue #2550717 by mradcliffe, bnjmnm, finnsky, Manuel Garcia, lauriii, longwave, tedbow, silesky, catch, xjm, droplet, johndevman, nod_, marassa: [JS] Replace jQuery.cookie with JS-cookie and provide a BC layer

Issue #2821525 by bnjmnm, chrisrockwell, tedbow, alexpott, droplet, lauriii, DyanneNova, effulgentsia, xjm, joelpittet, Cottser, andrewmacpherson: Update normalize.css to the most recent version

Issue #3074267 by finnsky, bnjmnm, Wim Leers, zrpnr, lauriii, xjm, catch, droplet, justafish, FezVrasta: Replace jQuery UI position() with PopperJS

Issue #3086096 by oknate, phenaproxima, tedbow, Wim Leers, andrewmacpherson, droplet, bnjmnm: Add a generic Ajax Message command

Issue #3052526 by tedbow, phenaproxima, malcolm_p, alwaysworking, droplet: Drupal.Message.clear throws exception if messageWrapper not initialized

Issue #2926155 by zrpnr, edurenye, droplet, Wim Leers, bnjmnm, alexpott, wesleydv, Gribnif: Follow-up to #2809427: update from jQuery UI 1.11.4 to 1.12.1 forgot to list some new JS files in *.libraries.yml

Issue #1476782 by daffie, droplet, donquixote, Katiemouse, Lendude, lnunesbr, ekl1773, init90, jhedstrom, catch, clemens.tolboom, amateescu: DatabaseStatementPrefetch::current PHP function array_unshift() are used incorrectly

Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, lauriii, catch, cilefen, Cottser: [regression] Table Drag handles no longer respond to up/down arrow keys

Revert "Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, @catch, @cilefen, @Cottser, @lauriii: [regression] Table Drag handles no longer respond to up/down arrow keys"

This reverts commit 735aacac.

Issue #2725259 by sardara, andrewmacpherson, claudiu.cristea, tedbow, alwaysworking, droplet, techmsi, kwoxer, xjm, alexpott, @catch, @cilefen, @Cottser, @lauriii: [regression] Table Drag handles no longer respond to up/down arrow keys

Issue #77245 by drpal, tedbow, nod_, phenaproxima, Wim Leers, googletorp, rteijeiro, vineet.osscube, tim.plunkett, idflood, joelpittet, pk188, lauriii, BarisW, lokapujya, chr.fritsch, droplet, andrewmacpherson, dmsmidt, dawehner, alexpott, jessebeach, NickWilde, DuaelFr, Cottser, seutje, samuel.mortenson: Provide a common API for displaying JavaScript messages

Issue #2978964 by ApacheEx, drpal, lauriii, corbacho, samuel.mortenson, tedbow, alexpott, droplet: Use Prettier for formatting core JavaScript

Issue #736066 by droplet, drpal, vaplas, dmsmidt, effulgentsia, nod_, tic2000, tim.plunkett, lauriii, casey, morsok, idebr, alexpott, yched, tedbow, GuyPaddock, drintios, edurenye, dtamajon, adinac, VinayLondhe, ajalan065, hrmoller, ericduran, piyuesh23, andreyks, roborew, Wim Leers, lokapujya, samuel.mortenson, Dries, DuaelFr, OnkelTem, manu manu, khiminrm, Greg Boggs, SKAUGHT, itsekhmistro, fubhy, SpadXIII, s.messaris, zviryatko: ajax.js insert command sometimes wraps content in a div, potentially producing invalid HTML and other bugs

Issue #2828528 by Wim Leers, droplet, ZeiP, vaplas, tacituseu, samuel.mortenson, michielnugter: Add Quick Edit Functional JS test coverage