In the current beta version of Joplin it's possible to just use monospaced fonts for code blocks. Once the code block is started with ```plantuml, the font switches back to a proportional font.
Look at this screenshot (It's Joplin 1.8.1 with PlantUML 0.0.1):
In the current beta version of Joplin it's possible to just use monospaced fonts for code blocks. Once the code block is started with
```plantuml, the font switches back to a proportional font.Look at this screenshot (It's Joplin 1.8.1 with PlantUML 0.0.1):