sibling comment: https://news.ycombinator.com/item?id=27166719
blog post: https://www.oilshell.org/blog/2020/10/osh-features.html
It needs some official documentation, but if you download Oil and see any other problems I'm interested! I think I fixed all of them.
https://github.com/oilshell/oil/wiki/Where-To-Send-Feedback