TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _deprecation-71249:
+
+===================================================================
+Deprecation: #71249 - Deprecate render method of FlashMessage class
+===================================================================
+
+See :issue:`71249`
+
+Description
+===========
+
+Method `TYPO3\CMS\Core\Messaging\FlashMessage::render()` has been marked as deprecated.
+
+
+Affected Installations
+======================
+
+Instances with custom backend modules that use this method.
+
+
+Migration
+=========
+
+Use custom render code, the `<f:flashMessage />` ViewHelper or the `ModuleTemplate` for backend modules to render FlashMessages.
+It is suggested not to include HTML in flash messages. Flash messages should be short notifications on user interactions.
+If you need more elaborate or persistent messages, use `<f:be.infobox />` view helper or HTML similar to that.
+
+
+.. index:: PHP-API, Backend