TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-88564:
+
+================================================================
+Breaking: #88564 - PageTSconfig setting "TSFE.constants" removed
+================================================================
+
+See :issue:`88564`
+
+Description
+===========
+
+The PageTSconfig / UserTSconfig :typoscript:`TSFE.constants`, which allowed to override settings constants
+on a per-tree level page was introduced in TYPO3 at the very beginning, long before TSconfig had conditions.
+
+It was used to share TypoScript-based configuration between frontend / backend, and on a per-page/tree level.
+
+However, this has been superseded for a long time by using proper configuration files which
+can be loaded at any time, for example when :file:`ext_localconf.php` of an extension is loaded.
+
+Therefore, the option has been removed.
+
+
+Impact
+======
+
+Setting :typoscript:`TSFE.constants` in PageTSconfig or UserTSconfig has no effect, as it is not evaluated
+anymore.
+
+
+Affected Installations
+======================
+
+Any TYPO3 installation using :typoscript:`TSFE.constants` in their PageTSconfig.
+
+
+Migration
+=========
+
+It is recommended to include TypoScript conditions in setup/constants, also since constants+setup
+are evaluated in Backend context for Extbase modules. This option is not needed anymore and
+can be substituted by simple constants in `sys_template` or any Extension inclusion files as well.
+
+.. index:: TSConfig, NotScanned