Issue #3189301 by Spokje, xjm, smustgrave: Use \Psr\Http\Client\ClientExceptionInterface instead of \GuzzleHttp\Exception\TransferException

Issue #3416697 by longwave, Spokje, sun, larowlan: Remove install container definitions of FileSystem and StreamWrapperManager

Issue #3406697 by alexpott, chr.fritsch: Fix notice in _install_prepare_import() due to alternate approach to translations

Issue #3328457 by xjm, dimitriskr: Replace most substr($a, $i) where $i is negative with str_ends_with()

Issue #3328456 by xjm, dimitriskr, murilohp, smustgrave: Replace substr($a, 0, $i) with str_starts_with()

Issue #3405412 by sijumpk, quietone, dww, bbrala: Fix deprecation message to use link to CR not the issue

Issue #3333401 by nicxvan, tsquared212, xjm, larowlan, smustgrave, andrewmacpherson, bnjmnm, lauriii, itmaybejj, xurizaemon: Pager h4 causes accessibility flag on many pages

Issue #3410093 by bnjmnm: [regression] install_get_form does not allow install_settings_form ['driver'] to be null

Issue #3324995 by claudiu.cristea, GaëlG, dajjen: hook_requirements_alter() is not invoked on update

Issue #3399685 by poker10, greggles, BramDriesen: Remove Core version from install.php when the site already is installed - Information Disclosure - Leaking version information

Issue #431612 by pillarsdotnet, RoboPhred, Albert Volkman, sourabhjain, catch, PapaGrande, webchick, Bojhan, Freso, flickerfly, cilefen: Stop using post as a noun

Issue #2157945 by mondrake, andypost, kim.pepper, Bhanu951, alexpott, martin107, plach, ankithashetty, dawehner, karishmaamin, voleger, jhedstrom, jofitz, kostyashupenko, shashikant_chauhan, longwave, zeeshan_khan, claudiu.cristea, mstrelan, Berdir: Deprecate format_size() and use Drupal\Core\StringTranslation\ByteSizeMarkup instead

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

Issue #2952488 by smustgrave, pminf, dcgoodwin, andypost, pau1_m, sim_1, boulaffasae, idebr, jmickela, barone, mgifford, jgloverattronedotcom, andrewmacpherson, DuaelFr, larowlan, lauriii, RachelOlivero: Use aria-current=page in pagination links

Issue #3153567 by geek-merlin, ankithashetty, smustgrave, rkoller: Wrap backtrace of UI warnings/notices in a details element

Issue #2921133 by quietone, VladimirAus, xjm, ankithashetty, longwave, Prem Suthar, smustgrave, benjifisher, AaronMcHale: Remove "Please" from the codebase

Issue #3038971 by claudiu.cristea, kim.pepper, andypost, Berdir, daffie: Move system_get_module_admin_tasks() into a service and deprecate it

Issue #3358336 by kim.pepper, rpayanm, andypost, longwave, smustgrave, Wim Leers, catch: Deprecate _drupal_flush_css_js() and create a new AssetQueryString cache service

Issue #1038316 by tacituseu, vasike, heddn, Eyal Shalev, cchoe1, lauriii, siva01, perry.franken, sanfair, jan.stoeckler, anmolgoyal74, MRPRAVIN, scott.whittaker, dj1999, vytch, SpadXIII, GRO, samuel.seide, szato, Denisev, Munavijayalakshmi, ankithashetty, neclimdul, mayurjadhav, rgpublic, bartzaalberg, electrokate, Lal_, realityloop, ameymudras, linhnm, fabianfiorotto, Abhijith S, bleen, smustgrave, rogueturnip, alexpott: Allow for deletion of a single value of a multiple value field

Issue #3256642 by mondrake, daffie, yogeshmpawar, alexpott, tmaiochi, quietone, larowlan, catch: Introduce database driver extensions and autoload database drivers' dependencies

Issue #3320721 by ranjith_kumar_k_u, martins.bertins, Manibharathi E R, smustgrave, Lendude: The active page number is not showing on the last page(Views Full pager)

Issue #3337513 by mondrake, gidarai, VladimirAus, daffie, catch, andypost, smustgrave, rkoller, alexpott: Fix batch process race conditions by making ‘bid (batch id)’ auto-increment

Issue #2932518 by kim.pepper, joachim, bradjones1, voleger, cliddell, gapple, Xano, andregp, andypost, neclimdul, rpayanm, Hardik_Patel_12, NWOM, smustgrave, dawehner, alexpott, daffie, larowlan, Berdir, mstrelan, xjm, dagmar: Deprecate watchdog_exception

Issue #3336780 by diegors, schlaukopf, xjm, fabiansierra5191: Correctly capitalize "url" in documentation only, part 2

Issue #3182405 by jhodgdon, smustgrave, ranjith_kumar_k_u, dww: Do not use verb "Install" for things other than turning on modules/themes

Issue #3245252 by andypost, ranjith_kumar_k_u, Spokje: Fix possibly undefined $finished in _batch_process()

Revert "Issue #3337513 by mondrake, gidarai, daffie, alexpott, catch: Fix batch process race conditions by making ‘bid (batch id)’ auto-increment"

This reverts commit 779785e2.

Issue #3346645 by jweowu, catch, smustgrave: Eliminate anti-pattern isset($arr[$key]) || array_key_exists($key, $arr)

Issue #3337513 by mondrake, gidarai, daffie, alexpott, catch: Fix batch process race conditions by making ‘bid (batch id)’ auto-increment

Issue #3328454 by xjm, Bhanu951, jidrone, smustgrave: Replace most strpos() !== FALSE or === FALSE with str_contains()

Issue #2806009 by alexpott, JvE, Berdir, Dmitriy.trt, jhodgdon, lokapujya, VladimirAus, Gábor Hojtsy, Jose Reyero, Anybody, kristiaanvandeneynde, Sutharsan, casey, smustgrave, nod_: Installing a module causes translations to be overwritten

Issue #3099026 by mherchel, lauriii, bartlangelaan, timohuisman, pradhumanjainOSL, hctom, jwilson3, smustgrave: Claro's preprocessing of field multiple value form's table header cell removes potential changes by others

Issue #3342891 by lauriii, smustgrave, andy-blum, catch: 'node' variable in page.html.twig is not available on preview node page