adim1973

Game changer, if possible! But I'm afraid it is not, without involving MS.

I'm not sure what's happening, the iframe seems to load fine but the content is not rendered.

Thank you for replying! 1. Other Sheets add-ons with sidebar are working fine with the problematic extension enabled 2. Some html text is displayed correctly 3. The clone test add-on...

Nope, same result. The problematic extension needs to be installed only, no login/configuration on it. The issue happens on other browsers too, is not a Chrome thing. (I tried Edge/Windows...

Hi @enuchi, I dug more into this and I have some more info, would really appreciate if you can take a look and share your thoughts. Here are a screenshot...

I added the non externalizing react/react-dom code.  But can't see anything obvious difference with the problematic add-on turned on/off. **Elements bad**  **Elements ok**  **Console bad**  **Console...

Downgrading `react/react-dom` to v17.0.2 and adapting `index.tsx` to match react 17 did the trick. There was probably a conflict with that extension (and possible others).

Thanks a lot for your help!!!