TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-96604:
+
+==============================================================
+Breaking: #96604 - Removed ModuleTemplate->addJavaScriptCode()
+==============================================================
+
+See :issue:`96604`
+
+Description
+===========
+
+The backend module related class method :php:`\TYPO3\CMS\Backend\Template\ModuleTemplate->addJavaScriptCode()`
+has been removed.
+
+The method allowed to add JavaScript inline code to the document
+body of backend modules. This collides with `Content-Security-Policy` HTTP headers
+and needs to be avoided.
+
+The method has been marked :php:`@internal` in late TYPO3 v11 development and
+has been removed in v12.
+
+Impact
+======
+
+Calling the method in an instance triggers a fatal PHP error.
+
+Affected Installations
+======================
+
+The extension scanner finds usage candidates as weak match. In general,
+instances with extensions that come with own backend modules may be affected.
+
+Migration
+=========
+
+There are various ways to migrate away from inline JavaScript in backend modules, a modern TYPO3 v12
+solution is :doc:`JavaScript ES6 modules <Feature-96510-InfrastructureForJavaScriptModulesAndImportmaps>`.
+
+.. index:: Backend, PHP-API, FullyScanned, ext:backend