I use markdown-style links.
I select “text”, press hotkey to “Insert link” (default Ctrl+K) which encloses text to [text]() and places caret between round brackets (paretheses).
After pressing the hotkey, typing does not show any autocomplete/suggestions.
Show suggestions when typing between round brackets matching pattern of markdown styled link [any text](¦), just like suggestions are shown for wiki-style links.
Suggestions in markdown-styled links would solve that issue, at least for those who are OK with markdown style links, including me.
We can specify nonexistent target also for wiki-links.
Meaningfulness of showing suggestions is the same for wiki and markdown links.
Aside, external links now still require scheme, e.g. file:/// which practically disables suggestions.