It is quite similar, although organised slightly differently. It also has a lot of capabilities that Juno didn’t have. A lot of recent work to get it into similar form as juno (docs and figures pane for example). There are a couple of nice juliacon talks by David Anthoff that give an overview:
I think the Juno effort is now targeting vscode. Personally I like it. For one thing I find it plays with github a little nicer, plus there are a lot of other nice extensions for vscode, such as the one that lets you edit and view jupyter notebooks directly in vscode.