• Your Rocket.Chat Experimental app version: 4.1.0.268
• Your Rocket.Chat server version: 2.3.1
• Device (or Simulator) you're running with: iOS 13.3

I have an incoming webhook set up with a remote custom SVG image. This isn't rendered in the channel. If I set it to a PNG file, it works.

Screenshot 1 shows Rocket.Chat in the browser, Screenshot 2 the missing images in the app.