Not possible to embed player in Extension (despite CSP)

[Dist]

Extensions Guidelines & Policies

2.2 Extensions may not use iframes.

You can’t use embeds in an extension.

@someuser

It works fine in the Twitch Developer Rig, so I comit this to review. At the review test streaming page from Twitch, the code does not work – against my expectations I got an error:

The dev rig doesn’t simulate all of the restrictions that are enforced on Twitch. You should always test on Twitch itself before submitting to review. In this case, embedding a Twitch Player will not work within an extension.