Issue #3366314 by Prem Suthar, larowlan: Remove composer optimisations for laminas/laminas-zendframework-bridge

Issue #3293051 by Spokje, longwave: \Drupal\Core\Composer\Composer::preAutoloadDump contains duplicate if statement

Issue #3076684 by Spokje, andypost, longwave, paulocs, Mile23, KapilV, greg.1.anderson: Remove deprecated vendor cleanup scripts

Issue #3264903 by murilohp, Spokje, ravi.shankar, catch, longwave: Switch from friends-of-behat/mink back to behat/mink once it's Symfony 6 compatible

Issue #3264120 by Spokje, catch, Taran2L, danflanagan8, xjm, quietone, ckrina: Remove aggregator module and our dependency on Laminas Feed

Issue #3162228 by longwave, Spokje, freelock, jackson.cooper, phenaproxima, xjm: Composer 2 Fatal error Call to undefined method Composer\DependencyResolver\Operation\UpdateOperation::getJobType() in /home/mysite/public_html/core/lib/Drupal/Core/Composer/Composer.php:170

Issue #3252757 by catch, longwave, Gábor Hojtsy, xjm, daffie, andypost, dww: Update Drupal 10 to depend on Symfony 6.0

Issue #3258902 by longwave, Spokje, catch, daffie: [Symfony 6] Bring stackphp/builder into core for Symfony 6 compatibility and remove it as a dependency

Issue #3197482 by longwave, Spokje, Taran2L, murilohp, catch, Gábor Hojtsy, daffie: Update Drupal 10 to depend on Symfony 5.4 (as a stepping stone to Symfony 6, for deprecation checking support)

Issue #3207567 by Spokje, quietone, guilhermevp, yogeshmpawar, daffie, alexpott: Fix Drupal.Commenting.FunctionComment.MissingParamComment

Issue #3209459 by longwave, catch, andypost: Switch to friends of behat MinkBrowserKitDriver for PHP 8 and Symfony 5 compatibility

Issue #3127141 by mondrake, longwave, alexpott, Neslee Canil Pinto, Suresh Prabhu Parkala, ravi.shankar: Use PHPUnit 9 for PHP 7.4+, while keeping support for PHPUnit 8.4 in PHP 7.3

Revert "Issue #3133903 by longwave, jungle: Ensure all packages in composer.lock are considered for vendor hardening"

This reverts commit f0f4922f.

Issue #3133903 by longwave, jungle: Ensure all packages in composer.lock are considered for vendor hardening

Issue #3032686 by longwave, jibran, xjm, alexpott, Berdir, amateescu: Remove references to unused packages in Drupal 9's vendor hardening

Issue #3117857 by longwave, jungle, govind.maloo, Kristen Pol: [Symfony 5] The "Symfony\Component\Debug\BufferingLogger" class is deprecated since Symfony 4.4, use "Symfony\Component\ErrorHandler\BufferingLogger" instead

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

Issue #3104015 by TravisCarden, alexpott, longwave, Spokje, fgm, catch, xjm, Berdir, Bruno Vincent: Replace ZendFramework/* dependencies with their Laminas equivalents

Issue #3087626 by greg.1.anderson, Mixologic, jibran, Mile23, alexpott, xjm: Convert drupal/core-recommended & c. into a subtree split

Issue #2950132 by mondrake, alexpott, tom_ek, Gábor Hojtsy, Pasqualle, andypost, Mile23, larowlan: Support PHPUnit 7 optionally in Drupal 8, while keeping support for ^6.5

Issue #3013210 by kim.pepper, greg.1.anderson, Mile23, joachim: Add drupal/core-filesecurity component for writing htaccess files

Issue #3073012 by Mixologic, greg.1.anderson, mikelutz: Detect Composer Version in older versions of composer

Issue #2912387 by greg.1.anderson, Mile23, Mixologic, larowlan, jibran, alexpott, catch: Stop using wikimedia/composer-merge-plugin

Issue #3057459 by Mile23, alexpott: Add composer/composer as a dev dependency of core so that we can test Composer plugins

Issue #3057462 by alexpott, Mile23: Add missing packages to \Drupal\Core\Composer\Composer::$packageToCleanup

Issue #3055040 by mikelutz, alexpott: Roll AbstractEventDispatcherTest into ContainerAwareEventDispatcherTest

Issue #3008870 by amateescu, kostyashupenko, mondrake, jibran, alexpott: Drop support for PHPUnit 4.8 once PHP 5 is no longer supported (8.8.x)

(cherry picked from commit 44a31bc3)

Issue #3026588 by alexpott, plach, jibran, Berdir, larowlan, Sam152, Pancho, hussainweb et al: Move ArchiveTar to composer

Issue #2911319 by alexpott, dawehner, mglaman, mradcliffe, heddn, pbirk, danquah, maxstarkenburg, geerlingguy, vaplas, Chelsee, ressa, Chi, jonathanshaw, Mile23, andypost, larowlan, phenaproxima, droffats, kim.pepper, scotty, dsnopek, cashwilliams, borisson_, Mixologic, gerzenstl, David Radcliffe: Provide a single command to install & run Drupal

This reverts commit 7d0b699e.