TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-59966:
+
+=================================================================
+Breaking: #59966 - Extension Configuration cache-flushing changed
+=================================================================
+
+See :issue:`59966`
+
+Description
+===========
+
+On saving the configuration of an extension, the system cache group has been flushed.
+This is inefficient as this includes also the classes cache, but most changes will
+never need this cache to be cleared.
+We optimize this for the common case and stop flushing caches after configuration changes completely.
+
+Impact
+======
+
+Extensions which relied on cache-clearing after configuration changes may require a manual cache flush.
+
+Affected installations
+======================
+
+Any installation that uses extensions relying on automatic cache flush after extension configuration changes.
+
+Migration
+=========
+
+Extensions requiring a cache flush after configuration changes need to implement a slot
+for the `afterExtensionConfigurationWrite` signal which allows individual cache flush actions.
+
+
+.. index:: PHP-API, Backend, ext:extensionmanager