[leosanchez]

To show compilation errors as you type.

[xigoi]

Why not show the UI immediately and start the language server asynchronously in the background, like Neovim does it?

[sebazzz]

That is possible, but if swapping happens due to memory pressure it can still cause slowdowns in unrelated parts of the same or other processes.

[mike_hearn]

JetBrains IDEs do this.