I'm trying to display this page https://community.canvaslms.com/t5/Releases/tkb-p/canvas-release in an iframe (<p><iframe style="overflow: hidden;" src="https://community.canvaslms.com/t5/Releases/tkb-p/canvas-release" width="100%" height="3600"></iframe></p>) in a Canvas page but I get this error: community.canvaslms.com refused to connect. 

I've used iframes before with no difficulty.

Has anyone else experienced/fixed this?