Sourced from phpunit/phpunit's releases.

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.

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• You can follow @​phpunit@phpc.social to stay up to date with PHPUnit's development.
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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.

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• 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 12.3.1

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

---

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

Keep up to date with PHPUnit:

... (truncated)

Sourced from phpunit/phpunit's changelog.

[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

• 0b18fea Merge branch '11.5' into 12.3
• fc44414 Prepare release
• 2eaa6fe Revert "Take #[IgnorePhpunitDeprecations] attribute into account for test run...
• 6ce2932 Update dependencies
• ac6952c Prepare release
• d98bb2b Merge branch '11.5' into 12.3
• 33fa3d1 Prepare release
• d1489f6 Merge branch '10.5' into 11.5
• a858178 Prepare release
• 7263c50 Merge branch '9.6' into 10.5
• Additional commits viewable in compare view

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