Roam started doing something very close to this with its backlinks, and a lot of the competing notetaking apps are imitating this feature. For instance I believ

Roam started doing something very close to this with its backlinks, and a lot of the competing notetaking apps are imitating this feature. For instance I believe Notion has this now too -- if you link to or mention a page, a backlink will automatically up on that page. Anyway, I think it will get there. The fact that Notion is using 500MB of RAM on my machine is definitely a downside compared to older software...