I'm working with a moderately sized network (~600 nodes, but ~175k weighted edges). It shows up fine in the overview pane. But when I try to preview it so I can save as an image file the layout takes ages (~15-20 minutes) and then the output is odd and blocky (see attached screenshots, one of the overview pane and one of the preview).

I'm using a M2 Macbook Pro w/ 32GB of RAM. I've tried using different layouts, re-scaling the edge weights, and a few other things. I'm happy to provide other info to try and debug this.