• Added release-age, release-date and latest-release-date in the JSON output of outdated (#12053)
• Fixed PHP 8.4 deprecation warnings
• Fixed addressability of branches containing # signs (#12042)
• Fixed bump command not handling some ~ constraints correctly (#12038)
• Fixed COMPOSER_AUTH not taking precedence over ./auth.json (#12084)
• Fixed relative: true sometimes not being respected in path repo symlinks (#12092)
• Fixed copy from cache sometimes failing on VirtualBox shared folders (#12057)
• Fixed PSR-4 autoloading order regression in some edge case (#12063)
• Fixed duplicate lib-* packages causing issues when having pecl + core versions of the same PHP extension (#12093)
• Fixed transport-options.ssl for local cert authorization being stored in lock file making them less portable (#12019)
• Fixed memory issues when installing large binaries (#12032)
• Fixed archive command crashing when a path cannot be realpath'd on windows (#11544)
• API: Deprecated BasePackage::$stabilities in favor of BasePackage::STABILITIES (685add70ec)
• Improved Docker detection (#12062)

Full Changelog: https://github.com/composer/composer/compare/2.7.7...2.7.8