TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _deprecation-80491:
+
+=======================================================
+Deprecation: #80491 - BackendController inclusion hooks
+=======================================================
+
+See :issue:`80491`
+
+Description
+===========
+
+The hook within BackendController :php:`$TYPO3_CONF_VARS["typo3/backend.php"]["additionalBackendItems"]`
+has been marked as deprecated.
+
+Loading ExtJS module JS/CSS files via :php:`ExtensionManagementUtility::addExtJSModule()` inside
+the module configuration has been deprecated.
+
+Calling :php:`BackendController->addJavascriptFile()`, :php:`BackendController->addJavascript()`
+and :php:`BackendController->addCssFile()` will trigger a deprecation log entry.
+
+
+Impact
+======
+
+Registering a hook via :php:`$TYPO3_CONF_VARS["typo3/backend.php"]["additionalBackendItems"]` and then
+calling the Backend main page will trigger a deprecation log warning.
+
+Registering any backend module which should load a global CSS/JS file within a module configuration
+will trigger a deprecation log warning.
+
+Calling any of the methods above will trigger a deprecation log warning.
+
+
+Affected Installations
+======================
+
+Any installation using the hook or PHP methods directly in a custom extension, or using any of
+the public methods above in a custom PHP script.
+
+
+Migration
+=========
+
+Use the "constructPostProcess" hook within BackendController to load additional resources to achieve
+the same functionality.
+
+.. index:: Backend, PHP-API