I am finding that JCE sometimes allows and sometimes disallows iframes.
When I enter this code for a youtube video, it is allowed, and the video displays in the article:
<iframe src="https://www.youtube.com/embed/GO376G4tbGM" width="350" height="197" title="YouTube video player" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="allowfullscreen" frameborder="0"></iframe>
However, when I enter this code for a video hosted on bunny.net the video does not display on the front end unless I surround the code with {source}{/source} tags (from the Regular Labs Sourcerer extension):
<div style=" position: relative; padding-top: 56.25%;"><iframe src="https://iframe.mediadelivery.net/embed/108305/e065adfe-03d2-4c32-83d7-515ec9c70ccc"
style="border: none; position: absolute; top: 0; height: 100%; width: 100%;" loading="lazy" allow="accelerometer;gyroscope;encrypted-media;picture-in-picture;" allowfullscreen="allowfullscreen"></iframe></div>
I have enabled the iframe option in the Plugin Parameters > Media Support section of the relevant JCE profile (see attached screenshot).
Any help or guidance would be much appreciated!