Ask HN: Feedback on My Flowchart Editor?

Hey all, I’m working on a free online flowchart editor. Its optimized for speed via keyboard shortcuts and a compact UI:

knotend.com

I’m looking for feedback so I can make it better. I did a Show HN a few months back (below) and have made updates based on what people said then. It was mostly about usability and confusion for first time users.

https://news.ycombinator.com/item?id=27256861