v2.8.4

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• Fixed exit code of the audit command not being meaningful (now 1 for vulnerabilities and 2 for abandoned, 3 for both) (#​12203)
  • Fixed issue on plugin upgrade when it defines multiple classes (#​12226)
  • Fixed duplicate errors appearing in the output depending on php settings (#​12214)
  • Fixed InstalledVersions returning duplicate data in some instances (#​12225)
  • Fixed installed.php sorting to be deterministic (#​12197)
  • Fixed bump-after-update failing when using inline constraints (#​12223)
  • Fixed create-project command to now disable symlinking when used with a path repo as argument (#​12222)
  • Fixed validate --no-check-publish to hide publish errors entirely as they are irrelevant (#​12196)
  • Fixed audit command returning a failing code when composer audit fails as this should not trigger build failures, but running audit as standard part of your build is probably a terrible idea anyway (#​12196)
  • Fixed curl usage to disable multiplexing on broken versions when proxies are in use (#​12207)

v2.8.3

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• Fixed windows handling of process discovery (#​12180)
  • Fixed react/promise requirement to allow 2.x installs again (#​12188)
  • Fixed some issues when lock:false is set in require and bump commands

v2.8.2

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• Fixed crash while suggesting providers if they have no description (#​12152)
  • Fixed issues creating lock files violating the schema in some circumstances (#​12149)
  • Fixed create-project regression in 2.8.1 when using path repos with relative paths (#​12150)
  • Fixed ctrl-C aborts not working inside text prompts (#​12106)
  • Fixed git failing silently when git cannot read a repo due to ownership violations (#​12178)
  • Fixed handling of signals in non-PHP binaries run via proxies (#​12176)

v2.8.1

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• Fixed init command regression when no license is provided (#​12145)
  • Fixed --strict-ambiguous flag handling whereas it sometimes did not report all issues (#​12148)
  • Fixed create-project to inherit the target folder's permissions for installed project files (#​12146)
  • Fixed a few cases where the prompt for using a parent dir's composer.json fails to work correctly (#​8023)

v2.8.0

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• BC Warning: Fixed https_proxy env var falling back to http_proxy's value. The fallback and warning have now been removed per the 2.7.3 release notes (#​11938, #​11915)
  • Added --patch-only flag to the update command to restrict updates to patch versions and make an update of all deps safer (#​12122)
  • Added --abandoned flag to the audit command to configure how abandoned packages should be treated, overriding the audit.abandoned config setting (#​12091)
  • Added --ignore-severity flag to the audit command to ignore one or more advisory severities (#​12132)
  • Added --bump-after-update flag to the update command to run bump after the update is done (#​11942)
  • Added a way to control which scripts receive additional CLI arguments and where they appear in the command, see the docs (#​12086)
  • Added allow-missing-requirements config setting to skip the error when the lock file is not fulfilling the composer.json's dependencies (#​11966)
  • Added a JSON schema for the composer.lock file (#​12123)
  • Added better support for Bitbucket app passwords when cloning repos / installing from source (#​12103)
  • Added --type flag to filter packages by type(s) in the reinstall command (#​12114)
  • Added --strict-ambiguous flag to the dump-autoload command to make it return with an error code if duplicate classes are found (#​12119)
  • Added warning in dump-autoload when vendor files have been deleted (#​12139)
  • Added warnings for each missing platform package when running create-project to avoid having to run it again and again (#​12120)
  • Added sorting of packages in allow-plugins when sort-packages is enabled (#​11348)
  • Added suggestion of provider packages / polyfills when an ext or lib package is missing (#​12113)
  • Improved interactive package update selection by first outputting all packages and their possible updates (#​11990)
  • Improved dependency resolution failure output by sorting the output in a deterministic and (often) more logical way (#​12111)
  • Fixed PHP 8.4 deprecation warnings about E_STRICT (#​12116)
  • Fixed init command to validate the given license identifier (#​12115)
  • Fixed version guessing to be more deterministic on feature branches if it appears that it could come from either of two mainline branches (#​12129)
  • Fixed COMPOSER_ROOT_VERSION env var handling to treat 1.2 the same as 1.2.x-dev and not 1.2.0 (#​12109)
  • Fixed require command skipping new stability flags from the lock file, causing invalid lock file diffs (#​12112)
  • Fixed php://stdin potentially being open several times when running Composer programmatically (#​12107)
  • Fixed handling of platform packages in why-not command and partial updates (#​12110)
  • Reverted "Fixed transport-options.ssl for local cert authorization being stored in lock file making them less portable (#​12019)" from 2.7.8 as it was broken

v2.7.9

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• Fixed Docker detection breaking on constrained environments (#​12095)
  • Fixed upstream issue in bash completion script, it is recommended to update it using the completion command (#​12015)

v2.7.8

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• 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 (685add7)
  • Improved Docker detection (#​12062)

v2.7.7

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• Security: Fixed command injection via malicious git branch name (GHSA-47f6-5gq3-vx9c / CVE-2024-35241)
  • Security: Fixed multiple command injections via malicious git/hg branch names (GHSA-v9qv-c7wm-wgmf / CVE-2024-35242)
  • Security: Fixed secure-http checks that could be bypassed by using malformed URL formats (fa3b958)
  • Security: Fixed Filesystem::isLocalPath including windows-specific checks on linux (3c37a67)
  • Security: Fixed perforce argument escaping (3773f77)
  • Security: Fixed handling of zip bombs when extracting archives (de5f7e3)
  • Security: Fixed Windows command parameter escaping to prevent abuse of unicode characters with best fit encoding conversion (3130a74, 04a63b3)
  • Fixed PSR violations for classes not matching the namespace of a rule being hidden, this may lead to new violations being shown (#​11957)
  • Fixed UX when a plugin is still in vendor dir but is not required nor allowed anymore after changing branches (#​12000)
  • Fixed new platform requirements from composer.json not being checked if the lock file is outdated (#​12001)
  • Fixed ability for config command to remove autoload keys (#​11967)
  • Fixed empty type support in init command (#​11999)
  • Fixed git clone errors when safe.bareRepository is set to strict in the git config (#​11969)
  • Fixed regression showing network errors on PHP <8.1 (#​11974)
  • Fixed some color bleed from a few warnings (#​11972)

v2.7.6

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• Fixed regression when script handlers add an autoloader which uses a private callback (#​11960)

v2.7.5

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• Added uninstall alias to remove command (#​11951)
  • Added workaround for broken curl versions 8.7.0/8.7.1 causing transport exceptions (#​11913)
  • Fixed root usage warnings showing up within Podman containers (#​11946)
  • Fixed config command not handling objects correctly in some conditions (#​11945)
  • Fixed binary proxies not containing the correct path if the project dir is a symlink (#​11947)
  • Fixed Composer autoloader being overruled by project autoloaders when they are loaded by event handlers (scripts/plugins) (#​11955)
  • Fixed TransportException (http failures) not having a distinct exit code, should now exit with 100 as code (#​11954)

v2.7.4

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• Fixed regression (Call to undefined method ProxyManager::needsTransitionWarning()) with projects requiring composer/composer in an pre-2.7.3 version (#​11943, #​11940)

v2.7.3

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• BC Warning: Fixed https_proxy env var falling back to http_proxy's value, this is still in place but with a warning for now, and https_proxy can now be set empty to remove the fallback. Composer 2.8.0 will remove the fallback so make sure you heed the warnings (#​11915)
  • Fixed show and outdated commands to remove leading v in e.g. v1.2.3 when showing lists of packages (#​11925)
  • Fixed audit command not showing any id when no CVE is present, the advisory ID is now shown (#​11892)
  • Fixed the warning about a missing default version showing for packages with project type as those are typically not versioned and do not have cyclic dependencies (#​11885)
  • Fixed PHP 8.4 deprecation warnings
  • Fixed clear-cache command to respect the config.cache-dir setting from the local composer.json (#​11921)
  • Fixed status command not handling failed download/install promises correctly (#​11889)
  • Added support for buy_me_a_coffee in GitHub funding files (#​11902)
  • Added hg support for SSH urls (#​11878)
  • Fixed some env vars with an integer value causing a crash (#​11908)
  • Fixed context data not being output when using IOInterface as a PSR-3 logger (#​11882)

v2.7.2

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• Added info about the PHP version when running composer --version (#​11866)
  • Added warning when the root version cannot be detected (#​11858)
  • Fixed plugins still being enabled in a few contexts when running as root (c3efff9)
  • Fixed outdated --ignore ... still attempting to load the latest version of the ignored packages (#​11863)
  • Fixed handling of broken symlinks in the middle of an install path (#​11864)
  • Fixed update --lock still incorrectly updating some metadata (#​11850, #​11787)

v2.7.1

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• Added several warnings when plugins are disabled to hint at common problems people had with 2.7.0 (#​11842)
  • Fixed diagnose auditing of Composer dependencies failing when running from the phar

v2.7.0

Compare Source

• Security: Fixed code execution and possible privilege escalation via compromised vendor dir contents (GHSA-7c6p-848j-wh5h / CVE-2024-24821)
  • Changed the default of the audit.abandoned config setting to fail, set it to report or ignore if you do not want this, or set it via COMPOSER_AUDIT_ABANDONED env var (#​11643)
  • Added --minimal-changes (-m) flag to update/require/remove commands to perform partial update with --with-dependencies while changing only what is absolutely necessary in transitive dependencies (#​11665)
  • Added --sort-by-age (-A) flag to outdated/show commands to allow sorting by and displaying the release date (most outdated first) (#​11762)
  • Added support for --self combined with --installed or --locked in show command, to add the root package to the package list being output (#​11785)
  • Added severity information to audit command output (#​11702)
  • Added scripts-aliases top level key in composer.json to define aliases for custom scripts you defined (#​11666)
  • Added IPv4 fallback on connection timeout, as well as a COMPOSER_IPRESOLVE env var to force IPv4 or IPv6, set it to 4 or 6 (#​11791)
  • Added support for wildcards in outdated's --ignore arg (#​11831)
  • Added support for bump command bumping * to >=current version (#​11694)
  • Added detection of constraints that cannot possibly match anything to validate command (#​11829)
  • Added package source information to the output of install when running in very verbose (-vv) mode (#​11763)
  • Added audit of Composer's own bundled dependencies in diagnose command (#​11761)
  • Added GitHub token expiration date to diagnose command output (#​11688)
  • Added non-zero status code to why/why-not commands (#​11796)
  • Added error when calling show --direct <package> with an indirect/transitive dependency (#​11728)
  • Added COMPOSER_FUND=0 env var to hide calls for funding (#​11779)
  • Fixed bump command not bumping packages required with a v prefix (#​11764)
  • Fixed automatic disabling of plugins when running non-interactive as root
  • Fixed update --lock not keeping the dist reference/url/checksum pinned (#​11787)
  • Fixed require command crashing at the end if no lock file is present (#​11814)
  • Fixed root aliases causing problems when auditing locked dependencies (#​11771)
  • Fixed handling of versions with 4 components in require command (#​11716)
  • Fixed compatibility issues with Symfony 7
  • Fixed composer.json remaining behind after a --dry-run of the require command (#​11747)
  • Fixed warnings being shown incorrectly under some circumstances (#​11786, #​11760, #​11803)