See, I've used Elm for a long time too and in my opinion it has only improved. While the features you want might seem important to you, they don't seem that way to me as I've yet to experience that I'm blocked on some issue because of a missing feature in Elm.
While I'm aware that there are things Elm doesn't suit for because it might miss some feature or another, I would personally expect Elm to incorporate features once it has a good design for it, that doesn't deteriorate some of the best things about Elm (like being a small language that generally does what you'd expect and gives great error messages when something is wrong).
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See, I've used Elm for a long time too and in my opinion it has only improved. While the features you want might seem important to you, they don't seem that way to me as I've yet to experience that I'm blocked on some issue because of a missing feature in Elm.
While I'm aware that there are things Elm doesn't suit for because it might miss some feature or another, I would personally expect Elm to incorporate features once it has a good design for it, that doesn't deteriorate some of the best things about Elm (like being a small language that generally does what you'd expect and gives great error messages when something is wrong).