• Add author name next to release notes in changelog (#8564) via Felix Krause
• Fix modifying of frozen strings via config files and tests (#8562) via Felix Krause
• Find and delete keychains with -db extension (#8511) via Fred Cox
• Ignore newline of demo user information (#8579) via Kohki Miki
• Update supply to promote version codes correctly (#8474) via Tom Wilson
• Fix error installing the AppleWWDRCA certificate on multiuser systems (#8509) via Fred Cox
• Add 'associated_groups' attribute to Spaceship::Portal::App (#8516) via yukiasai
• Revise action alias handling (#8565) via Fumiya Nakamura
• Add git_user_name and git_user_email option to match (#8550) via Kouki Saito
• Update fastlane tests to work with Ruby 2.4.0 (#8545) via Felix Krause
• Fix table formatting in README (#8547) via Jacob Bijani
• Update gym build description (#8541) via Felix Krause
• [produce] app_version option is ignored. (#8496) via yukiasai