Sourced from phpunit/phpunit's releases.

PHPUnit 12.3.11

Changed

• #6366: Exclude __sleep() and __wakeup() from test double code generation on 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 12.3.10

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

---

... (truncated)

Sourced from phpunit/phpunit's changelog.

[12.3.11] - 2025-09-14

Changed

• #6366: Exclude __sleep() and __wakeup() from test double code generation on PHP >= 8.5

[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

... (truncated)

• 6a62f2b Prepare release
• 6aeb65c Merge branch '11.5' into 12.3
• ad5597f Prepare release
• 8545594 Merge branch '10.5' into 11.5
• 4b2d546 Prepare release
• 56d2e80 Merge branch '9.6' into 10.5
• 0a9aa44 Prepare release
• 87d93ad Merge branch '8.5' into 9.6
• 2da51ff Prepare release
• 9b5aeef Merge branch '11.5' into 12.3
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