I am one of those users who was asking for the graph view to show links between notes based on DEVONthink item links, wikilinks, tags etc. I know it’s not for everyone, but it’s for some of us who like to see the connections presented visually.
But I wasn’t a fan of Obsidian despite it having a pretty graph.
After previous comments in this forum, I wasn’t expecting DEVONtechnologies to ever implement it, so I was making do without it and doubling-down on tags as my core connecting device.
BUT, what a nice surprise, you have delivered. And it’s the reason I have upgraded.
AND, I’m loving it.
The See Also is a bit random sometimes, but is a nice addition. I was only expecting actual links to be available, but the See Also option provides suggested notes as well - nice touch.
So, thank you for implementing this and well done on the features!
I’m sure there will be requests to make it better (like the ability to drag points around to move them away from congested areas) but it’s a really great addition and now that the engine is in there, enhancing may be possible.
Thanks for listening to us.
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We would appreciate anything you’d like to share about your real-world use of the feature. Thanks!
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I’m also digging the graph, but the zoom speed is really slow. If I want to zoom in on the graph to read certain parts, I have to do the touchpad zoom gesture 8-10 times before it’s big enough.
Thanks for the comment and remember it says “BETA” on the tin 
Do you have a real-world use case for using the Graph inspector?
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I definitely meant it as feedback, not a complaint. I’m loving DT4 so far and know it’s beta still.
As for a real-world use case… nothing solidified yet. My plan/hope… I work in IT and deal heavily with vendor knowledge base articles. Much of these include code snippets or log samples of an issue. As my database of these grow, I’m hoping/curious to see relations and make DT my first stop for researching an issue before diving into Google.
No worries and I detected no complaining 
Please let us know how it goes for you!
Some real-world cases:
TL;DR
In a nutshell, the real-world application for me seems to be that the graph provides an additional way of viewing connections that is easier for people like me who prefer a visual representation of the connections. But it’s also nice to have those list views as well, you wouldn’t want to just have the graph as it could get too congested.
1. Daily Notes
In my Daily Notes I use both Item Links and Tags to links documents together. I have some routines where every day I connect documents to my central Daily Note, such as all emails for that day, specific photos or documents. For these I use Item Links. When referring to certain topics in my note, I use tags. Yes all of these connections * can be seen in the Links Inspector or the Tag Inspector, but having the Graph view provides a nice visual map of the connections. My brain processes the map easier than lists.
2. Showing the link between related documents.
I often like to link various PDFs to PDFs or to Markdown Files and other file types. I do this when they are related, which could be one document supports the other, or they relate to a certain project. The graph view shows these relationships when you might otherwise have forgotten the link exists.
I love that the graph view shows all link types - Item Links, Custom Metadata links, Tags and Wikilinks (which I don’t use but I know others do). That provides so much flexibility to support the different ways we all work and connect our information.
EDIT: I forgot “Mentions”. I don’t quite understand that yet, but look forward to exploring what it means.
3. Aiding research
The See Also is going to useful for research as it will make suggestions based on DEVONthink AI on possible links to explore.
I am looking forward to continuing to explore how else it will assist my personal and professional work.
I’m finding that tags are not showing in the graph for some documents, but ok for others. I cannot see a pattern yet. I have checked and can confirm that the tags do exist. This is occurring on markdown .md files, PDFs, and email .eml files.
Does the graph need to do some sort of background indexing before they show up, or is the graph generated on-the-fly when a document is selected?
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Zooming is also possible via the keyboard shortcuts + and -. But I just noticed that keyboard navigation in case of a zoomed Graph inspector does not automatically scroll, the next beta will fix this.
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The Graph is calculated on the fly but the number of nodes is limited and tags have the lowest priority. Maybe some of your documents are heavily linked and/or have a lot of See Also results? Screenshots would be useful.
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For a real-world use, I’m finding it interesting in my research on medieval manuscripts. I have a database of transcriptions of/notes on hundreds of medieval manuscripts. The graph view is showing relationships that reflect direct links and shared libraries, but also unexpected and less immediately obvious relationships - via references to titles found in multiple manuscripts, or the names of individuals connected with the books in various ways.
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