WSLiveEditor is a helpful tool for quick testing levels that are generated programmatically by a tool, by opening a Websocket Server it allows to remove old objects and add new ones without needing to re-open the editor or restart the game.
Up on entering the editor, a websocket server will be opened on 127.0.0.1:1313
Check out the wiki.
Befor opening an issue, look at the FAQ
Open an issue or join the discord server