Oct 29, 2025
diff --git a/reference/configuration/kernel.rst b/reference/configuration/kernel.rst
        }
    }

 This project directory is also available through the ``APP_PROJECT_DIR`` environment
 variable. This variable is read-only, so you cannot override it to change the project
 directory. Instead, use the ``Kernel::getProjectDir()`` method shown above.

 .. versionadded:: 7.4

    The ``APP_PROJECT_DIR`` environment variable was introduced in Symfony 7.4.

 .. _configuration-kernel-runtime-environment:

 ``kernel.runtime_environment``
Original file line number	Diff line number	Diff line change
Expand Up		@@ -289,6 +289,14 @@ have deleted it entirely (for example in the production servers), override the
		}
		}

		This project directory is also available through the ``APP_PROJECT_DIR`` environment
		variable. This variable is read-only, so you cannot override it to change the project
		directory. Instead, use the ``Kernel::getProjectDir()`` method shown above.

		.. versionadded:: 7.4

		The ``APP_PROJECT_DIR`` environment variable was introduced in Symfony 7.4.

		.. _configuration-kernel-runtime-environment:

		``kernel.runtime_environment``
Expand Down