I was going to request exactly this, glad to have found the previous request to avoid a dupe. @Erica, is this anywhere on the roadmap?
I've previously requested via email, saying:
If there was a setting that would show all the note lines for the currently zoomed in item, while still showing only 1st line for all descendants, that would work, too. That way, if the URL is somewhere mid-note, you could easily zoom in then click it, not too bad. You’re already showing the zoomed in item differently anyway (it gets a star next to it for Favorites, children don’t). The setting could default to off, to not affect default behavior.
Here is my mockup of what I would like to see; @Stephen_Dewitt, can you please confirm if this is your expectation as well?
My usage case for this is that the top-level node, like a project or an issue, has a lot of important notes, while the notes of its child items are secondary. When I zoom my focus to that area, I'd like the parent item's fully context, which includes its notes.