Yes. I could just render the .mmd plain as vanilla and will works just fine for devs but It may not get the attention of non technical folks

Feel you, Im running FF/macos as well and svg aniamtions over CPU/GPU could be a problem. Im planning to address this issue soon

Will take a look let me know the details please

There will more a powerful controls for each node soon. For now there is a "Director mode" to control speed and traffic.

Thanks for the valuable feedback. I already cover most of the issues that you described. Should be good to go in the next release