Issue #3416700 by catch, penyaskito, lamp5: Handle invalid compressed ajax_page_state more gracefully

Issue #3427174 by longwave, quietone, dineshkumarbollu, mondrake, alexpott: Throw exception when calling NestedArray::setValue() when parents reference a non-array value instead of causing a PHP error

Issue #3413268 by BramDriesen, longwave, Spokje, catch, mondrake, quietone, andypost: Add PHP 8.3 requirement to Drupal 11.0.x

Issue #3397490 by quietone, smustgrave, xjm, longwave, poker10: Fix more words that are only misspelled in comments

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

Issue #3195583 by smokris, smustgrave, mohit.bansal623, xjm, quietone: Fix warning when RSS feed includes markup with an empty srcset attribute

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 #3389282 by quietone, smustgrave, alexpott: Fix spelling for words that are only misspelled  in comments

Issue #418620 by mfb, smustgrave, longwave, dsnopek, greenbeans, borisson_, alexpott, olli, larowlan: Drupal\Component\Utility\Html::normalize() leaves messy </body></html> in certain situations

Issue #2441811 by longwave, daffie, andypost, edurenye, lauriii, joseph.olstad, Wim Leers, smustgrave, effulgentsia, alexpott, larowlan, chx, jibran: Upgrade filter system to HTML5

Issue #3371619 by bbrala, andypost, dww, mglaman, Kingdutch, catch, mondrake, heddn, Charlie ChX Negyesi: Implement utility method for invoking backward compatible code

Issue #2800691 by bharath-kondeti, djsagar, ravi.shankar, Rishabh Vishwakarma, shashikant_chauhan, quietone, smustgrave, FeyP, joachim, Amber Himes Matz: Improve docs for the Xss::filter() $html_tags parameter

Issue #3051548 by Rkumar, quietone, Balu Ertl, nitesh624, lauriii, pandaski, alexpott: Fix spelling of "email"

Issue #3219475 by quietone, adeshsharma, ravi.shankar, lucienchalom, Akram Khan, Prem Suthar, Ratan Priya, andregp, murilohp, karishmaamin, longwave, smustgrave, xjm: Fix spelling for words used once, beginning with 'j' -> 'm', inclusive

Issue #2972573 by borisson_, Lendude, rpayanm, acbramley, anmolgoyal74, ravi.shankar, pooja saraah, Anchal_gupta, Krzysztof Domański, longwave, lauriii, jonathanshaw, smustgrave, Wim Leers, Matroskeen, catch: randomMachineName() should conform to processMachineName() pattern

Issue #3368664 by rpayanm, _pratik_, keelanfh, cilefen, longwave, smustgrave: Fix spelling of $add_ellipses is comment

Issue #2982949 by kim.pepper, Sam152, andypost, FatherShawn, elber, joachim, larowlan, alexpott, catch, DieterHolvoet, tim.plunkett: Introduce CallableResolver to help standardise the DX and error handling for callbacks across various subsystems

Issue #3259255 by gordon, smustgrave, cilefen, quietone, catch, larowlan: Html::escapeCdataElement() not adding CDATA correctly

Issue #2577909 by martin107, smustgrave, longwave, dawehner: Add type hinting to \Drupal\Component\Utility\Xss

Issue #2692451 by neclimdul, tedfordgif, smustgrave, mikey_p, larowlan: Xss::filterAdmin() incorrectly filters datetime attribute

Issue #3268835 by quietone, smustgrave, ravi.shankar, xjm, borisson_, catch: Fix method comments in non tests for Drupal.Commenting.DocComment.ShortSingleLine

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

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

Issue #2552837 by smustgrave, pwolanin, alexpott: XSS::filter and filter_xss can create malformed attributes when you would expect them to be stripped

Issue #3283351 by Sweetchuck: PHP 8.1 Return type of DeprecatedArray::unserialize() and ::serialize()

Issue #3328443 by xjm, rpayanm, alexpott, catch, longwave: Replace most strpos() === 0 or !== 0 with str_starts_with()

Issue #3219472 by quietone, Abhishek_Singh, karishmaamin, longwave, smustgrave, xjm: Fix spelling for words used once, beginning with 'e' -> 'i', inclusive

Issue #3311595 by fjgarlin, mfb, pooja saraah, colorfield, alexpott, Wim Leers, longwave: Html::transformRootRelativeUrlsToAbsolute() replaces "\r\n" with "
\n"

Issue #3255637 by Liam Morland, 3li, joegraduate, rivimey, alexpott, mondrake, ravi.shankar, hswong3i, ameymudras, longwave, Anchal_gupta, neclimdul, Martijn de Wit, sgourebi, pradhumanjainOSL, gambry, kim.pepper: Deprecate NULL values in Html::escape(), ::decodeEntities(), and FormattableMarkup::placeholderFormat() to make it easier to upgrade to PHP 8

Issue #3319582 by mondrake, Spokje, longwave, mallezie: Fix calls to methods with too many parameters passed in

Issue #3313191 by immaculatexavier, alexpott, longwave: mbstring.func_overload is removed in PHP 8 therefore remove it from core

Issue #3268829 by quietone, bbrala: Fix class property comments for Drupal.Commenting.DocComment.ShortSingleLine