Recently, I've found HTML5 to be a better option than displaying loopable animation gif files. (Smaller sizes, increased resolution) Would html5 video links from other hosts be supported? (i.e Gfycat, your own server, etc). When pasted, they appear as a text link rather than a video. Maybe I'm just inputting the wrong…
From what I experienced, not all HTML works when writing in HTML mode (the </> button in the post toolbox). I imagine this is a safety measure so people don't insert some crazy Javascript or Flash. IFrame doesn't seem to work. There seems to be a Sketchfab icon added to the toolbox, so maybe it's a matter of requesting to…