Issue #3121847 by alexpott, joegraduate, greg.1.anderson, mmjvb: Composer project templates do not support drupal-custom-profile installer package type
Issue #3159735 by mstrelan: LegacyProject and RecommendedProject templates still reference Drupal 8 in the description for Drupal 9 branches
Issue #3126566 by greg.1.anderson, jungle, tedbow, hussainweb, Kristen Pol, alexpott: Allow Drupal to work with Composer 2
Issue #3086644 by Mile23, alexpott, Mixologic, greg.1.anderson, jibran: LegacyProject composer templates wrongly reference 8.x + fix test coverage
Revert "Revert "Issue #3087482 by Mile23, greg.1.anderson, AaronMcHale, johndevman, mbaynton, alexpott: Add 'next steps' info to Composer installation output"" This reverts commit 32b0bacf.
Revert "Issue #3087482 by Mile23, greg.1.anderson, AaronMcHale, johndevman, mbaynton, alexpott: Add 'next steps' info to Composer installation output" This reverts commit b547ffe6.
Issue #3087482 by Mile23, greg.1.anderson, AaronMcHale, johndevman, mbaynton, alexpott: Add 'next steps' info to Composer installation output
Issue #3090684 by Mixologic, greg.1.anderson, opdavies, alexpott: Rename drupal/dev-dependencies and drupal/pinned-dev-dependencies
Issue #3086148 by greg.1.anderson, hussainweb, Mixologic: Make scaffold "extra" data key conform with plugin command name
Issue #3084298 by greg.1.anderson: Make composer installer paths consistent between drupal/drupal and the project templates
Issue #2982680 by greg.1.anderson, mbaynton, Mixologic, jibran, webflo, Mile23, phenaproxima, AaronMcHale, Charlie ChX Negyesi, nicksanta: Add composer-ready project templates to Drupal core
