TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-101820:
+
+=======================================================================
+Breaking: #101820 - Remove bootstrap jQuery interface and window.jQuery
+=======================================================================
+
+See :issue:`101820`
+
+Description
+===========
+
+The bootstrap jQuery interfaces required a global :js:`window.jQuery` variable
+to be set. The jquery drop-in is dropped in order to remove this non-optional
+jQuery dependency.
+
+As a side effect the :js:`window.jQuery` global is removed as well.
+Note that global jQuery usage has already been deprecated in :issue:`86438` and
+removed in :issue:`97243` with the suggestion to use JavaScript modules instead.
+:js:`window.jQuery` was basically left in place for bootstrap to operate and
+therefore only :js:`window.$` was removed back then.
+
+Impact
+======
+
+Loading the ES6 'bootstrap' module no longer has side effects, as the global
+scope :js:`window` is no longer polluted by writing to the property :js:`jQuery`.
+This also means jQuery will no longer be loaded when it is not actually needed.
+
+Affected Installations
+======================
+
+All installations that use bootstrap's jQuery interface or applications that
+use `window.jQuery` to invoke jQuery.
+
+Following method calls are affected:
+
+- :js:`$(…).alert()`
+- :js:`$(…).button()`
+- :js:`$(…).carousel()`
+- :js:`$(…).collapse()`
+- :js:`$(…).dropdown()`
+- :js:`$(…).tab()`
+- :js:`$(…).modal()`
+- :js:`$(…).offcanvas()`
+- :js:`$(…).popover()`
+- :js:`$(…).scrollspy()`
+- :js:`$(…).toast()`
+- :js:`$(…).tooltip()`
+
+
+Migration
+=========
+
+Use bootstrap's ES6 exports :js:`import { Carousel } from 'bootstrap';` instead.
+
+.. index:: Backend, JavaScript, NotScanned, ext:core