There is an suggestion to create and unify links to items (notes, tags and notebooks).
Basically to allow, for example, links to tags like
[#tag name](:/tag/<tag id>)
in editor and clickable in preview
This is possible through plugin now but could better if implemented in a core,
following joplin://tag/<tag id>
syntax.
https://discourse.joplinapp.org/t/quick-links-plugin/14214/18