Bret has spurred a following. My little contribution[0], Aurora, Lighttable. I'm afraid that wave has mostly died down (do comment if you think otherwise). Instead after 7 years we're converging on VS Code, a mostly traditional IDE "done right", and super pragmatic, but conventional languages (Typescript for high level, Rust for performance).

[0] https://www.youtube.com/watch?v=HnZipJOan54