[TASK] Deprecate legacy form templates

Using the legacy form template / partial variants residing in :file:`EXT:form/Resources/Private/Frontend/Templates` and :file:`EXT:form/Resources/Private/Frontend/Partials` is deprecated. The legacy templates will be removed in v13. Resolves: #95456 Releases: main Change-Id: Ib1346065d69a12d6664758a3c9bedf7efa3bd834 Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/71423 Tested-by: core-ci <typo3@b13.com> Tested-by: waldhacker <hello@waldhacker.dev> Reviewed-by: waldhacker <hello@waldhacker.dev>

[TASK] Deprecate legacy form templates
Using the legacy form template / partial variants residing in :file:`EXT:form/Resources/Private/Frontend/Templates` and :file:`EXT:form/Resources/Private/Frontend/Partials` is deprecated. The legacy templates will be removed in v13. Resolves: #95456 Releases: main Change-Id: Ib1346065d69a12d6664758a3c9bedf7efa3bd834 Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/71423 Tested-by: core-ci <typo3@b13.com> Tested-by: waldhacker <hello@waldhacker.dev> Reviewed-by: waldhacker <hello@waldhacker.dev>
68faab13 · Björn Jacob · waldhacker · 487c4985 · 68faab13
Commit 68faab13 authored 3 years ago by Björn Jacob Committed by waldhacker 3 years ago
--- a/typo3/sysext/core/Documentation/Changelog/12.0/Deprecation-95456-IntroduceBootstrap5CompatibleAndAccessibleTemplates.rst
+++ b/typo3/sysext/core/Documentation/Changelog/12.0/Deprecation-95456-IntroduceBootstrap5CompatibleAndAccessibleTemplates.rst
+.. include:: ../../Includes.txt
+
+=====================================================
+Deprecation: #95456 - Deprecate legacy form templates
+=====================================================
+
+See :issue:`95456`
+
+Description
+===========
+
+Using the legacy form template / partial variants residing in
+:file:`EXT:form/Resources/Private/Frontend/Templates` and
+:file:`EXT:form/Resources/Private/Frontend/Partials`
+is deprecated. The legacy templates will be removed in v13.
+
+
+Impact
+======
+
+No deprecation is logged since it would flood the logs.
+
+
+Affected Installations
+======================
+
+Installations using custom templates for form elements.
+
+
+Migration
+=========
+
+Set your form rendering option "templateVariant" within the form setup from
+"version1" to "version2" to use the future default templates.
+
+.. code-block:: yaml
+
+    TYPO3:
+      CMS:
+        Form:
+          prototypes:
+            standard:
+              formElementsDefinition:
+                Form:
+                  renderingOptions:
+                    templateVariant: version2
+
+
+Migrate your templates / partials to make them compatible with the ones stored in
+:file:`EXT:form/Resources/Private/FrontendVersion2`.
+
+.. index:: Frontend, NotScanned, ext:form