Issue #3333281 by MustangGB, smustgrave, xjm: Give trusted host configuration hint in default.settings.php

Issue #3260401 by idebr, Spokje, Akram Khan, mcdruid, longwave, alexpott: Google is abandoning FLoC - so remove the header

Issue #3112452 by lalitware, guilhermevp, narendra.rajwar27, WagnerMelo, ravi.shankar, mradcliffe, adalbertov, himanshu_sindhwani, quondam, Vidushi Mehta, alexpott, longwave, anmolgoyal74: Fix indentation consistency in core's yaml files

Issue #3305748 by kay_v, Spokje, bmahesh03121: improve instructions for allowedOrigins in default.services.yml

Issue #3096101 by quietone, danflanagan8, abhisekmazumdar, anmolgoyal74, alexpott, gabesullice, Wim Leers, Matroskeen, ankithashetty, mikelutz, benjifisher, daffie, webchick: Allow migrate_drupal_ui source database to be set in settings.php

SA-CORE-2022-016 by fabpot, nicolas.grekas, xjm, lauriii, alexpott, Berdir, larowlan, catch, longwave, cilefen, james.williams, benjifisher

Issue #2381797 by Tom Verhaeghe, slashrsm, johnwebdev, chr.fritsch, ankithashetty, Krzysztof Domański, nevergone, tobiasb, yogeshmpawar, anmolgoyal74, dhirendra.mishra, Wim Leers, longwave, Fabianx, andypost, joachim, alexpott: Add render_cache debug output

Issue #3262674 by tstoeckler, lauriii, cindytwilliams, mherchel, Gábor Hojtsy: Use Claro instead of Bartik as fallback maintenance theme

SA-CORE-2022-012 by cmlara, GuyPaddock, larowlan, mondrake, effulgentsia, xjm, longwave, Dave Reid, lauriii, David Strauss, benjifisher, alexpott, mcdruid, Fabianx

(cherry picked from commit 1f82337d)

Issue #3292908 by alexpott, dww, longwave, catch, Berdir, Charlie ChX Negyesi, mradcliffe, kndr: Fast 404s are slower than regular 404s

Issue #3295650 by Spokje, BR0kEN, Berdir, catch, Krzysztof Domański, longwave, voleger, neclimdul: Stop recommending using \Drupal\Component\Assertion\Handle::register() in example.settings.local.php

Issue #2733675 by smccabe, murilohp, andregp, Johnny Santos, ankithashetty, mglaman, jonathanshaw, daffie, alexpott, catch, froboy: Warning when mysql is not set to READ-COMMITTED

Issue #3166449 by ravi.shankar, adamzimmermann, mmatsoo, walangitan, joshua.boltz, Cottser: Improve wording around twig.cache setting for production environments

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

Issue #3129043 by mondrake, daffie, ankithashetty, ravi.shankar, alexpott, Beakerboy, catch: Move core database drivers to modules of their own

Issue #3106531 by mondrake, daffie, Rithesh BK, catch, xjm: Notify in Status Report that per-table database prefixes are no longer supported, and will throw errors in Drupal 10.0

Issue #2473875 by znerol, alexpott, andypost, kim.pepper, amit.drupal, raman.b, martin107, joachim: Convert uses of $_SESSION to symfony session retrieved from the request

Issue #3207968 by quietone, longwave, Spokje: Replace @codingStandards comments with phpcs: comments

Issue #3209628 by longwave, rachel_norfolk, antiorario, phenaproxima, rootwork, larowlan, neclimdul, Maeglin: Add Permissions-Policy header to block Google FLoC

Issue #3041885 by tedbow, beautifulmind, dww, ayushmishra206, phenaproxima, webchick, xjm, AaronMcHale, larowlan, benjifisher, heddn, catch, jhodgdon, longwave, mglaman, alexpott, mxr576, effulgentsia: Display relevant Security Advisories data for Drupal

Issue #3195533 by daffie, longwave: [Symfony 6] The constant Symfony\Component\HttpFoundation\Request::HEADER_X_FORWARDED_ALL is deprecated

Issue #2238561 by alexpott, dawehner, andypost, bradjones1, ridhimaabrol24, jofitz, eiriksm, Darren Oh, kalyansamanta, znerol, neclimdul, catch, pwolanin: Use the default PHP session ID instead of generating a custom one

Issue #3138746 by jungle, rajandro, sja112, longwave, jameszhang023, quietone, dww: Fix 45 "shouldBeCamelCased" and related typos in core

Issue #1538118 by dww, swentel, dawehner, pwolanin, sanduhrs, alexpott, ayushmishra206, Wim Leers, yogeshmpawar, mgifford, cilefen, David_Rothstein, drumm, larowlan, Heine, colan, tedbow, benjifisher, klausi, borisson_, quietone: Update status does not verify the identity or authenticity of the release history URL

Issue #3158589 by bhushan.nagaonkar, brittany.huntzberry, ankithashetty, cilefen, alexpott, davidhernandez, nijolawrence: Improve comment in default.settings.php

Issue #3089957 by dww, Krzysztof Domański, Wim Leers, mr.baileys: Set X-Drupal-Cache-Max-Age to aid in debugging #cache fun

Issue #3055189 by mikelutz, catch, alexpott: [Symfony 5] Support for mapping keys in multi-line blocks is deprecated since Symfony 4.3 and will throw a ParseException in 5.0

Issue #3138718 by sja112, longwave, dww, xjm, alexpott: Convert British English spellings to American English, for the umpteenth time

Issue #3120096 by alexpott, daffie, effulgentsia, Neslee Canil Pinto, xjm, mondrake, catch, ravi.shankar: Support contrib database driver directories in a fixed location in a module

Issue #2746541 by quietone, alexpott, maxocub, Wim Leers, mikelutz, jofitz, masipila, firewaller, Madhura BK, Gábor Hojtsy, catch, heddn, plach, hchonov: Migrate D6 and D7 node revision translations to D8

Issue #3020296 by alexpott, longwave, bradjones1, catch, Berdir, gapple: Remove Symfony's classloader as it does not exist in Symfony 4

Issue #2586887 by LittleCoding, Cottser, webchick, gambry, alexpott, joachim, joelpittet, lauri, xjm: Remove bogus theme config override example from default.settings.php

Issue #3079029 by bircher, ricardoamaro, catch, wouter.adem, marcvangend, alexpott: Move module config exclusion from config_environment to core.services

Issue #3039026 by kim.pepper, Berdir, Peter Majmesku, vadim.hirbu, YurkinPark, andypost, dww, claudiu.cristea, alexpott, jibran, dawehner, mikelutz: Deprecate file_directory_temp() and move to FileSystem service

Issue #3035312 by kim.pepper, andypost, martin107, yogeshmpawar, naveenvalecha, pguillard, Berdir, dww, claudiu.cristea, jibran, Mile23: Move file_scan_directory() to file_system service