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Changes in PHPUnit 12.5

All notable changes of the PHPUnit 12.5 release series are documented in this file using the Keep a CHANGELOG principles.

12.5.22 - 2026-04-17

Fixed

#6590: Silent failure when configuration file is invalid
#6592: INI metacharacters ; and " are not preserved when forwarding settings to child processes

12.5.21 - 2026-04-16

Fixed

#5860: PHP CLI -d settings are not forwarded to child processes for process isolation
#6451: Incomplete version in RequiresPhp (e.g. <=8.5) is compared against full PHP version, causing unexpected skips

12.5.20 - 2026-04-15

Fixed

#5993: DefaultJobRunner deadlocks on child processes that write large amounts of stderr output
#6465: SAPI-populated $_SERVER entries leak from parent into child process
#6587: failOnEmptyTestSuite="false" in phpunit.xml is ignored when --group/--filter/--testsuite matches no tests
#6588: Order of issue baseline entries is not canonicalized

12.5.19 - 2026-04-13

Fixed

Regression in XML configuration migration introduced in PHPUnit 12.5.8

12.5.18 - 2026-04-13

Fixed

#4571: No warning when --random-order-seed is used when test execution order is not random
#4975: --filter does not work when filter string starts with #
#5354: JUnit XML logger does not handle TestSuiteSkipped event
#6276: Exit with non-zero exit code when explicit test selection (--filter, --group, --testsuite) yields no tests
#6583: Failing output expectation skips tearDown() and handler restoration, causing subsequent tests to be marked as risky

12.5.17 - 2026-04-08

Changed

#4793: Exit with non-zero exit code when exit was called from some test

Fixed

#5881: colors="true" in XML configuration file does not unconditionally enable colored output
#6019: --migrate-configuration does not update schema location when XML content already validates against current schema
#6372: Assertion failure inside willReturnCallback() is silently swallowed when code under test catches exceptions
#6464: Process isolation template unconditionally calls set_include_path()
#6571: Static analysis errors for TestDoubleBuilder method chaining

12.5.16 - 2026-04-03

Added

#6547: Support for %r...%r in EXPECTF section

Fixed

#6025: FILE_EXTERNAL breaks __DIR__
#6351: No warning when the same test runner extension is configured more than once
#6433: Logic in TestSuiteLoader is brittle and causes "Class FooTest not found" even for valid tests in valid filenames
#6463: Process Isolation fails on non-serializable globals and quietly ignore closures

12.5.15 - 2026-03-31

Changed

#4440: Improve error when configured code coverage file list is empty
#6549: Allow to stub both hooks of non-virtual properties

Fixed

#6529: Git "detached HEAD state" in Open Test Reporting (OTR) XML logger not handled properly
#6545: Stubbing a class with set property hook leaves property uninitialized by default
The RegularExpression and StringMatchesFormatDescription did not handle preg_match() errors such as Compilation failed: regular expression is too large

12.5.14 - 2026-02-18

Fixed

#6521: Performance regression in PHPUnit 11.5.54, PHPUnit 12.5.13, and PHPUnit 13.0.4

12.5.13 - 2026-02-18

Fixed

#6489: Classification of self/direct/indirect deprecation triggers is not aligned with Symfony's bridge for PHPUnit

12.5.12 - 2026-02-16

Fixed

#6511: TestDox variables out of order with named arguments
#6514: <ini /> can silently fail

12.5.11 - 2026-02-10

Deprecated

#6510: Deprecate using with*() on test stubs

Fixed

#6503: Temporary file used by SourceMapper may be deleted prematurely when multiple PHPUnit processes run in parallel
#6509: "No expectations were configured for the mock object ..." notice is emitted when with() is used without expects()

12.5.10 - 2026-02-08

Fixed

#6495: Source map for issue trigger identification is regenerated in process isolation child processes

12.5.9 - 2026-02-05

Added

#6488: Allow disabling issue trigger identification for improved performance

Fixed

#6486: Incorrect file name reported for errors for test methods declared in traits
#6490: Incorrect test count when tests are skipped in before-class method

12.5.8 - 2026-01-27

Changed

To prevent Poisoned Pipeline Execution (PPE) attacks using prepared .coverage files in pull requests, a PHPT test will no longer be run if the temporary file for writing code coverage information already exists before the test runs

12.5.7 - 2026-01-24

Fixed

#6362: Manually instantiated test doubles are broken since PHPUnit 11.2
#6470: Infinite recursion in Count::getCountOf() for unusal implementations of Iterator or IteratorAggregate

12.5.6 - 2026-01-16

Changed

Reverted a change that caused a build failure for the PHP project's nightly community job

12.5.5 - 2026-01-15

Changed

PHPUnit\Framework\MockObject exceptions are now subtypes of PHPUnit\Exception

Deprecated

#6461: any() matcher (soft deprecation)

Fixed

#6470: Mocking a class with a property hook setter accepting more types than the property results in a fatal error

12.5.4 - 2025-12-15

Changed

The #[AllowMockObjectsWithoutExpectations] attribute can now be used on the method level

Fixed

#6446: Test runner crashes with Timer::start() has to be called before Timer::stop()

12.5.3 - 2025-12-11

Changed

The message emitted when a test method creates a mock object but does not configure any expectations for it has been improved

12.5.2 - 2025-12-08

Added

Attribute #[AllowMockObjectsWithoutExpectations] for excluding tests from the check that emits the notice for test methods that create a mock object but do not configure an expectation for it

12.5.1 - 2025-12-06

Added

TestCase::getStubBuilder() (analogous to TestCase::getMockBuilder()) for creating (partial) test stubs using a fluent API

12.5.0 - 2025-12-05

Added

#6376: --all CLI option to ignore test selection configured in XML configuration file
#6422: Make <source> element in XML code coverage report optional

Changed

#6380: Allow Throwable in expectExceptionObject()
A PHPUnit notice is now emitted for test methods that create a mock object but do not configure an expectation for it

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