In Italian and French they are caled “Vasistas”, from the German “Was ist das?” (What’s that?), it’s said they called it that way because the first German tourists who saw those windows in France were confused and kept asking for clarifications on how they worked.
Exciting stuff! In particual I really like how neatly organized the project roadmap is, with a quick glance at the project GitHub page I can tell what you guys are working on and how development is proceding.
Also, props for using a widely established language like Java. I know Rust has lots of advantages and is all in all an awesome language, but having to learn a new language just to be able to contribute and submit PRs to your favourite open source project kinda kills the hype (and takes away a bunch of time).