I'm using the tree macro to generate a dynamic menu based on a page with JSON describing the menu. Everything worked perfectly in 16.2.0, but now the menus are no longer displayed and I get the following error in the console:
{code:java}
jquery.min.js?r=1:2 jQuery.Deferred exception: f.forEach is not a function TypeError: f.forEach is not a function at Object.<anonymous> (https://xwiki.lan/xwiki/webjars/wiki%3Axwiki/xwiki-platform-tree-webjar/16.3.0/tree.min.js?r=1:2:146) at e (https://xwiki.lan/xwiki/webjars/wiki%3Axwiki/jquery/3.7.1/jquery.min.js?r=1:2:27028) at t (https://xwiki.lan/xwiki/webjars/wiki%3Axwiki/jquery/3.7.1/jquery.min.js?r=1:2:27330) undefined{code}
The menu is displayed in a panel using the following code:
{code:java}
{{velocity}}
{{context document="$services.model.serialize($doc.documentReference)" transformationContext="document"}}
## If a local _menu has been found, display the menu panel
#if($!localMenu)
#set($pageref = $doc.getFullName())
#set($json_ref = $!localMenu.replace(".WebHome", ".json"))
#panelheader('Learning Path')
{{tree reference="$json_ref" icons="false" edges="false" links="true" showRoot="false" openTo="$pageref" /}}
#panelfooter()
#end
{{/context}}
{{/velocity}}{code}
*$localMenu* is defined in a separate script block and is true in this case.
The variable *$json_ref* points to a page with the following JSON:
{code:java}
{"id":"Sandbox.sequential-menu-test.WebHome","text":"Sequential Menu Test","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/"},"children":[{"id":"Sandbox.sequential-menu-test.page1.WebHome","text":"Page 1","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/page1\/"}},{"id":"Sandbox.sequential-menu-test.page2.WebHome","text":"Page 2","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/page2\/"}},{"id":"Sandbox.sequential-menu-test.page3.WebHome","text":"Page 3","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/page3\/"}},{"id":"Sandbox.sequential-menu-test.page4.WebHome","text":"Page 4","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/page4\/"}},{"id":"Sandbox.sequential-menu-test.page5.WebHome","text":"Page 5","a_attr":{"href":"\/xwiki\/bin\/view\/Sandbox\/sequential-menu-test\/page5\/"}}]}{code}
In 16.2.0, this displays a tree/menu as expected with the tree opened to the current page. In 16.3.0, nothing is displayed at all in the panel.
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