Issue #3439525 by pradhumanjain2311, quietone, smustgrave: Update composer dependencies for Drupal 11.0

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

Issue #3427744 by longwave: Add void return to Drupal\Component\DependencyInjection\Container::reset()

Issue #3419987 by alexpott, Wim Leers, larowlan, dww: Fix Container::reset() and provide DrupalKernel::resetContainer()

Issue #2961380 by alexpott, manishsaharan, borisson_, kim.pepper, znerol: Support IteratorArgument in \Drupal\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumper::dumpValue

Issue #3108020 by bonrita, Cyberwolf, sagarchauhan, znerol, borisson_: Support ServiceClosureArgument in \Drupal\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumper::dumpValue

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

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 #3327785 by Spokje, xjm, andypost, rpayanm: Upgrade Symfony dependencies with minor version bump

Issue #3327856 by alexpott, catch, zcht, longwave, znerol, Berdir, BramDriesen, Spokje, callen321, andypost, neclimdul, acbramley, mstrelan: Performance regression introduced by container serialization solution

Issue #3284422 by catch, phenaproxima, Spokje, andypost, longwave, Gábor Hojtsy, mondrake: [META] Symfony 6.2 compatibility

Issue #2531564 by neclimdul, andypost, chx, cburschka, Spokje, pdenooijer, Charlie ChX Negyesi, znerol, dawehner, longwave, Fabianx, geek-merlin, catch, alexpott: Fix leaky and brittle container serialization solution

Issue #3306946 by xjm, Spokje, andypost, longwave: Update Composer dependencies in 10.0 and 9.5, and increase constraints to require latest minors

Issue #3272110 by Mile23, ravi.shankar, Spokje, xjm, andypost, joachim: Drupal 9 and 10's Drupal\Component composer.json files are totally out of date

Issue #3106216 by Spokje, longwave, alexpott, apaderno, Hardik_Patel_12, daffie: Remove unused variables from core

Issue #3238485 by daffie: [Symfony 6] Add return type hints to the class methods of Drupal\Component\DependencyInjection\Container

Issue #3232092 by daffie, mondrake: [Symfony 6] Add "string|array" to the method Drupal\Component\DependencyInjection\Dumper\OptimizedPhpArrayDumper::dump()

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

Issue #3215611 by alexpott, longwave: Service deprecations are only triggered on container build,not ::get()

Issue #3032605 by mikelutz, Gábor Hojtsy, longwave, martin107: [symfony 4] Drupal\Component\DependencyInjection\Container should implement Symfony\Contracts\Service\ResetInterface

Issue #3106075 by Krzysztof Domański, heddn, Gábor Hojtsy, xjm, catch, mondrake, larowlan, greg.1.anderson: Bump minimum PHP for Drupal 9 to PHP 7.3

Issue #2962978 by govind.maloo, msankhala, jonathanshaw: Remove PHP5.5 performance optimisations in Container::createService and PhpArrayContainer::createService

Issue #3088369 by mikelutz, alexpott, Berdir, Gábor Hojtsy, andypost, martin107, greg.1.anderson, dawehner, jibran, Wim Leers, Mile23, catch: Update Drupal 9 to Symfony 4.4-dev

Issue #3079791 by mikelutz, shaal, Wim Leers, hussainweb, xjm, catch, Charlie ChX Negyesi, Mixologic, Gábor Hojtsy, heddn, amateescu: Bump Drupal's minimum PHP version to 7.2 as soon as 9.0.x is branched (a higher version may be required later)