Sourced from phpunit/phpunit's releases.

PHPUnit 12.3.10

Changed

• #6353: Disable performance optimization for tests requiring Xdebug
• #6357: Also collect E_DEPRECATED issues when building the test suite

---

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 12.3.9

Changed

• Do not use __sleep() method (which 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.

PHPUnit 12.3.8

Fixed

• #6340: Implicitly enabled display of deprecation details is not disabled when it should be

---

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 12.3.7

Changed

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

---

... (truncated)

Sourced from phpunit/phpunit's changelog.

[12.3.10] - 2025-09-11

Changed

• #6353: Disable performance optimization for tests requiring Xdebug
• #6357: Also collect E_DEPRECATED issues when building the test suite

[12.3.9] - 2025-09-11

Changed

• Do not use __sleep() method (which will be deprecated in PHP 8.5)

[12.3.8] - 2025-09-03

Fixed

• #6340: Implicitly enabled display of deprecation details is not disabled when it should be

[12.3.7] - 2025-08-28

Changed

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

[12.3.6] - 2025-08-20

Changed

• Do not configure report_memleaks setting (which will be deprecated in PHP 8.5) for PHPT processes

[12.3.5] - 2025-08-16

Changed

• #6319: Detect premature end of PHPUnit's main PHP process
• #6321: Allow error_reporting=E_ALL for --check-php-configuration

Fixed

• #5863: TestDox printer does not show previous exception
• #6102: expectUserDeprecationMessage*() fails when test is run in separate process

[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

... (truncated)

• 0d401d0 Prepare release
• 65acc39 Merge branch '11.5' into 12.3
• 5bd0e4f Prepare release
• 877eb15 Merge branch '11.5' into 12.3
• cbf5116 Fix
• f0a6e6f Use PHP_EOL
• 1140fad Add a trailing \n in ShutdownHandler message
• 52971e8 Merge branch '11.5' into 12.3
• fe26de1 Exit after printing skip message
• 8b51968 Merge branch '11.5' into 12.3
• Additional commits viewable in compare view

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