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.

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)

• 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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