I have embedded an iframe on my post like so:
https://blog.geolytix.net/just-an-iframe/
The iframe is working ok, but content after the iframe is not displayed in the post.
Possibly related to the kg-card html not closing on the iframe embed. Unlike a simple <div>foo</div> html embed.
Hey @DBauszus 
Your iframe embed is missing a closing </iframe> tag, which is corrupting the rest of the markup on the page. Adding the closing tag after opening the iframe will fix it 
Uff… Now that’s embarrassing. Good to know though. And I thought iframes were self closing. Thanks for help David. Well appreciated.