TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _feature-67884:
+
+======================================
+Feature: #67884 - Display 'unused' CEs
+======================================
+
+See :issue:`67884`
+
+Description
+===========
+
+Gather all CEs which are not assigned to a valid column of the current backend layout and show them
+at the end of the page. This will collect elements that might get lost when switching the backend
+layout to another one with different columns.
+
+If at least one element is found that belongs to a missing column, there will be an additional column
+"Unused" at the bottom of the current backend layout. This column contains each of the lost elements
+without having to change their actual column. So when the layout of the page is changed back, the
+elements will nicely fall back into their original column position.
+
+Additionally there will be a warning message that tells the users about the lost elements and how
+to possibly deal with them.
+
+
+Impact
+======
+
+In the current state this feature will make all elements visible that have got a colPos value other
+than those made available by the backend layout. So elements created by extensions like Gridelements,
+Flux/Fluidcontent and others will have their child elements visible in the "Unused" area as well.
+
+This has to be tackled in another patchset, which will introduce NULL values for the colPos field of
+tt_content, so these special elements will not be "Unused" but still not visible in the usual
+frontend output.
+
+.. index:: Backend