Shougo

I have added it.

It is possible by plugins. For example, nvim-cmp or ddc.vim or wilder.

https://github.com/hrsh7th/nvim-cmp/pull/362 https://github.com/Shougo/ddc.vim/issues/32#issuecomment-934195950

If the command line mode supports highlight and virtual text it is useful though.

And if plugin can the current completion mode in the command line, it is better for plugin completion. `getcmdcompletion()` API?

I don't think the feature should be implemented in Vim/neovim. But for plugins feature should be added like highlight or virtual texts in command line mode. I think it is...

I think command line completion popup menu can be built-in. But auto completion feature should not.

`set wildoptions=pum` cannot be used from plugins unfortunately.

Related issue: https://github.com/neovim/neovim/issues/12620 I think Vim/neovim core should provide features to create plugins easily like popup menu, timer, highlight, virtual text etc. Current Vim/neovim implementation is very complex. Have you...

> It is complex, but I would say unnecessarily so. IMHO this should be solved by refactoring not by offloading more and more responsibilities to plugins. Whether such refactoring is...