H5P element not displayed

Problem/Motivation

Thank you for bringing the power of H5P to Drupal 11! This is a great project! I am testing 3.1.0-beta1 with Drupal 11.1.5.

Steps to reproduce

I have been able to create a field that displays the H5P editor in the backend and to create a H5P singe choice question. On save a H5P file was created in the /files/h5p/exports directory. However, the questions is not displayed on node display. In the browser console I can see the reference to the H5P element (see attachment). But on the page there is just a white space instead of the question.

Proposed resolution

I wonder whether the HTML version of the H5P element is created for display in the iFrame and where it is stored. It needs to be loaded in the iFrame from there.

Remaining tasks

User interface changes

API changes

Data model changes