Merge branch '12.5' into 13.0

* 12.5:
  Closes #6503
  Remove unused import

Author: sebastianbergmann

ChangeLog-13.0.md

@@ -2,6 +2,12 @@
 
 All notable changes of the PHPUnit 13.0 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [13.0.2] - 2026-MM-DD
+
+### Fixed
+
+* [#6503](https://github.com/sebastianbergmann/phpunit/issues/6503): Temporary file used by `SourceMapper` may be deleted prematurely when multiple PHPUnit processes run in parallel
+
 ## [13.0.1] - 2026-02-08
 
 ### Fixed
@@ -37,5 +43,6 @@ All notable changes of the PHPUnit 13.0 release series are documented in this fi
 * [#6285](https://github.com/sebastianbergmann/phpunit/issues/6285): `#[RunClassInSeparateProcess]` attribute
 * [#6356](https://github.com/sebastianbergmann/phpunit/issues/6356): Support for version constraint string argument without explicit version comparison operator
 
+[13.0.2]: https://github.com/sebastianbergmann/phpunit/compare/13.0.1...13.0
 [13.0.1]: https://github.com/sebastianbergmann/phpunit/compare/13.0.0...13.0.1
 [13.0.0]: https://github.com/sebastianbergmann/phpunit/compare/12.5...13.0.0

src/Framework/TestRunner/SeparateProcessTestRunner.php

@@ -13,7 +13,6 @@
 use function defined;
 use function get_include_path;
 use function hrtime;
-use function register_shutdown_function;
 use function serialize;
 use function sys_get_temp_dir;
 use function tempnam;
@@ -168,13 +167,6 @@ private function sourceMapFileForChildProcess(): string
             // @codeCoverageIgnoreEnd
         }
 
-        register_shutdown_function(static function () use ($path): void
-        {
-            // @codeCoverageIgnoreStart
-            @unlink($path);
-            // @codeCoverageIgnoreEnd
-        });
-
         self::$sourceMapFile = $path;
 
         return self::$sourceMapFile;