$('htmlString) in version 3.5.1 returns different result compare to 3.3.1 with the same html string.

[nuong]

Description

I am using fullcalendar and found out that
$('htmlString) in version 3.5.1 returns different result compare to 3.3.1 with the same html string.
this issue causes bug in our application recently.
Please see Jsbin link demo for this issue

1. Using jquery 3.5.1 https://jsbin.com/coqexoj/2/edit?html,js,console,output
2. Using jquery 3.3.1 https://jsbin.com/pudosiv/2/edit?html,js,console,output

[mgol]

Please read the issue template carefully when reporting issues. It mentions the following:

Frequently Reported Issues:

• Self-closing tags broken in jQuery 3.5.0 or newer: please read the jQuery 3.5.0 blog post & the upgrade guide; see also issue JQuery html adding multiple copies of dom elements when using self closing tags #4681.

This is exactly what's happening here.