PlantUML does not render on hackmd.io

[tdiesler]

Is this a hackmd.io issue?

• Yes, the bug happens on https://hackmd.io
• No. If it's a self-hosted CodiMD instance, please fire up the issue in the repo of CodiMD: https://github.com/hackmdio/codimd

What's the problem

PlantUML does not render - also not on the official tutorial
https://hackmd.io/c/tutorials/%2Fs%2Ffeatures#Abc