Issue #3364885 by andy-blum, mglaman, alexpott, mherchel, lauriii, smustgrave, isholgueras, Dave Reid, kostyashupenko, matthieuscarset, camoa, ctrlADel, fjgarlin, jwilson3: Allow themes to use a starterkit.yml file so it is easier to use the theme generator

Issue #3256524 by mondrake: [11.x] Adjust Database API to remove deprecated Drupal 10 code in Drupal 11

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

Issue #3338328 by Spokje, andypost, longwave, effulgentsia, jungle, catch, smustgrave, Wim Leers: Update to Symfony 6.3

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

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

Issue #2514582 by Mile23, joachim, sahil.goyal, jhodgdon, Fabianx, dawehner: Document lazy services and fix script doxygen

Issue #3304433 by lauriii, xjm, quietone, tim.plunkett, Wim Leers, mherchel, andy-blum: generate-theme scripts fails in a ddev environment

(cherry picked from commit 3d46d27b)

Issue #3206226 by Wim Leers, mglaman, lauriii, alexpott: Make updating changes from starterkit themes to generated themes easier

Issue #3206217 by mglaman, lauriii, alexpott: Allow starterkit themes to control how the theme is generated

Issue #3259026 by longwave, daffie: [Symfony 6] Add return types to Symfony Console application methods

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

Issue #3233456 by daffie, longwave: [Symfony 6] Add "int" type hint to methods overriding Symfony\Component\Console\Command\Command::execute()

Issue #3222769 by bbrala, alexpott, longwave, Matroskeen: [November 8, 2021] Replace all list (array destructuring) assignment to the array syntax

Issue #3222251 by bbrala, longwave: [November 8, 2021] Replace all isset constructs with the null coalescing operator

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 #838992 by alexpott, Charlie ChX Negyesi, daffie, Damien Tournoud, sun, quietone, longwave: Change the uid field from integer to serial by leveraging NO_AUTO_VALUE_ON_ZERO on MySQL

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

Issue #3210913 by quietone, Wim Leers, paulocs: DbDumpCommand fails when data type is not a mapped Drupal schema field name

Issue #3050384 by lauriii, Gábor Hojtsy, xjm, alexpott, ressa, mherchel, ipwa, rootwork, rachel_norfolk, marcel66, joelpittet, davidhernandez, dorianwinterfeld, brianperry, rex.barkdoll: Provide a starterkit theme in core

Issue #3162045 by andypost, ravi.shankar, catch, longwave: [Symfony 5] TypeError: Argument 1 passed to Symfony\Component\Process\Process::__construct() must be of the type array, string given

Issue #2937844 by andypost, ravi.shankar, mrinalini9, Deepak Goyal, RoSk0, daffie, borisson_, tstoeckler, xjm: Fix 'Squiz.PHP.NonExecutableCode' coding standard

Issue #2937513 by eltori, longwave, klausi, catch, idebr: Fix 'Drupal.Commenting.DocComment.TagGroupSpacing' coding standard

Issue #3107472 by ravi.shankar, alexpott, kishor_kolekar, jibran: DbDumpCommand should not hardcode the version string

Issue #3129508 by Lal_, daffie, Suresh Prabhu Parkala: Change multiple dirname()'s into a single dirname() with the use of the second parameter of dirname()

Issue #2986452 by alexpott, andypost, kostyashupenko, daffie, kriboogh, larowlan, kristiaanvandeneynde, chrisrockwell, bleen, nevergone: Database reserved keywords need to be quoted as per the ANSI standard. Also resolves https://www.drupal.org/project/drupal/issues/371

Issue #3099295 by DukeandGrace, ravi.shankar, Chi, mradcliffe: Always return exit code in Symfony console commands

Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow, webchick, shaal, Mixologic, heddn: Core extensions should not need to specify the new core_version_requirement in *.info.yml files so that 9.0.x can be installed