TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+..  include:: /Includes.rst.txt
+
+..  _breaking-108148-1763289953:
+
+=======================================================================
+Breaking: #108148 - CDATA sections in Fluid templates no longer removed
+=======================================================================
+
+See :issue:`108148`
+
+Description
+===========
+
+Previous versions of Fluid and TYPO3 removed code wrapped in `<![CDATA[ ]]>`
+from template files altogether. This meant that it was possible to use CDATA
+to comment out template code. This is no longer possible, since CDATA
+sections are now interpreted by Fluid in a different way; see
+`Feature: #108148 - Alternative Fluid Syntax for CDATA Sections <https://docs.typo3.org/permalink/changelog:feature-108148-1763288461>`_.
+
+Impact
+======
+
+`<![CDATA[ ]]>` can no longer be used to comment out code in Fluid template
+files.
+
+Affected installations
+======================
+
+Installations that contain Fluid templates using `<![CDATA[ ]]>` to comment
+out code are affected. A deprecation has been written to the deprecation log
+since TYPO3 13.4.21 if this construct is encountered in a Fluid template
+during rendering.
+
+Migration
+=========
+
+To comment out code in Fluid templates, the
+`Comment ViewHelper <f:comment> <https://docs.typo3.org/permalink/t3viewhelper:typo3fluid-fluid-comment>`_
+should be used. Since TYPO3 v13, potential Fluid syntax errors are ignored by
+this ViewHelper, which allows commenting out invalid Fluid syntax safely.
+
+..  index:: Fluid, NotScanned, ext:fluid