[AlexITC]

> There is a fantastic plugin for Jetbrains IDEs that generates the diagrams in real time which is great for fast feedback, and can be used for driving out diagrams while presenting video calls.

That's exactly how I use it!

> We make extensive use of sequence diagrams using PlantUML at my work. We don't rigorously adhere to the correct UML arrow types and so on, instead preferring it as a fast way to clearly communicate data flow over time. The fact that it's in a text format means it can be conveniently edited and stored in source control.

Similar situation, Github now supports rendering Mermaid (https://github.blog/2022-02-14-include-diagrams-markdown-fil...) but I'm yet to give it a try.