Sourced from phpunit/phpunit's releases.

PHPUnit 12.3.4

Changed

• #6308: Improve output of --check-php-configuration
• The version number for the test result cache file has been incremented to reflect that its structure for PHPUnit 12.3 is not compatible with its structure for PHPUnit 8.5 and PHPUnit 9.6

Fixed

• #6197: ini_set('error_log') sets filepath outside open_basedir
• #6279: Deprecation triggered in data provider method affects all test methods using that data provider method
• #6281: Exceptions raised in after-test method are not reported for skipped tests

---

Learn how to install or update PHPUnit 12.3 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
• You can subscribe to the PHPUnit Updates newsletter to receive updates about and tips for PHPUnit.

PHPUnit 12.3.3

Fixed

• #6304: PHPUnit 11.5.29 hangs when a test runner deprecation is triggered and process isolation is used (this reverts "#[IgnorePhpunitDeprecations] is now considered for test runner deprecations" from PHPUnit 12.3.1)

---

Learn how to install or update PHPUnit 12.3 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
• You can subscribe to the PHPUnit Updates newsletter to receive updates about and tips for PHPUnit.

PHPUnit 12.3.2

Changed

• #6300: Emit warning when the name of a data provider method begins with test
• Do not use SplObjectStorage methods that will be deprecated in PHP 8.5

---

Learn how to install or update PHPUnit 12.3 in the documentation.

Keep up to date with PHPUnit:

• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
• You can subscribe to the PHPUnit Updates newsletter to receive updates about and tips for PHPUnit.

... (truncated)

Sourced from phpunit/phpunit's changelog.

[12.3.4] - 2025-08-12

Changed

• #6308: Improve output of --check-php-configuration
• The version number for the test result cache file has been incremented to reflect that its structure for PHPUnit 12.3 is not compatible with its structure for PHPUnit 8.5 and PHPUnit 9.6

Fixed

• #6197: ini_set('error_log') sets filepath outside open_basedir
• #6279: Deprecation triggered in data provider method affects all test methods using that data provider method
• #6281: Exceptions raised in after-test method are not reported for skipped tests

[12.3.3] - 2025-08-11

Fixed

• #6304: PHPUnit 11.5.29 hangs when a test runner deprecation is triggered and process isolation is used (this reverts "#[IgnorePhpunitDeprecations] is now considered for test runner deprecations" from PHPUnit 12.3.1)

[12.3.2] - 2025-08-10

Changed

• #6300: Emit warning when the name of a data provider method begins with test
• Do not use SplObjectStorage methods that will be deprecated in PHP 8.5

[12.3.1] - 2025-08-09

Added

• #6297: --check-php-configuration CLI option for checking whether PHP is configured for testing

Changed

• #[IgnorePhpunitDeprecations] is now considered for test runner deprecations (where applicable)

Fixed

• #6160: Baseline file in a subdirectory contains absolute paths
• #6294: Silent failure of PHP fatal errors
• Errors due to invalid data provided using #[TestWith] or #[TestWithJson] attributes are now properly reported
• The DataProviderMethodFinished event is now also emitted when the provided data set has an invalid key

[12.3.0] - 2025-08-01

Added

• #3795: Bootstrap scripts specific to test suites
• #6268: #[IgnorePHPUnitWarnings] attribute for ignoring PHPUnit warnings
• #[TestDoxFormatter] and #[TestDoxFormatterExternal] attributes for configuring a custom TestDox formatter for tests that use data from data providers

... (truncated)

• 4290950 Prepare release
• d1f77d0 Merge branch '11.5' into 12.3
• 101e132 Prepare release
• 10aa56b Merge branch '10.5' into 11.5
• ace160e Prepare release
• cc6414a Mark a test as errored (instead of skipped) when the file for error_log() cap...
• ca4db79 Change message
• 856a332 Return early
• 5af9431 Extract methods
• 61f3cf9 Use debug output for expectation
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