The quick reply macro (public:quick_reply_macros:body) has a deferred argument which hides most of the html in a way which looks to prevent content reflows. However it doesn't work in threads when clicking the 'reply' button on a post.
The following javascript error is logged:
[CODE="js"] Uncaught TypeError: Cannot read properties of null (reading 'bbCode')
at fn.isBbCodeView (editor.js?_v=342040b4:1297:16)
at Object.modifyEditorContent (core.js?_v=342040b4:2831:16)
at Object.insertIntoEditor (core.js?_v=342040b4:2794:14)
at fn.handleAjax (message.js?_v=342040b4:362:7)
at fn.handleAjax (dont_quote_articles.js?_v=342040b4:28:11)
at core.js?_v=342040b4:3652:16
at Object.onSuccess [as success] (core.js?_v=342040b4:1886:6)
at c (jquery-3.5.1.min.js?_v=342040b4:2:28294)
at Object.fireWith [as resolveWith] (jquery-3.5.1.min.js?_v=342040b4:2:29039)
at l (jquery-3.5.1.min.js?_v=342040b4:2:79800)[/CODE]
