Suddenly (after updating yEd, and XCode) yEd doesn't display the captions of nodes, or arrow heads of edges anymore. While drawing edges, arrow heads are still displayed, but they disappear as soon as they are ready.
This affects both existing files as completely new ones.
Going back to 3.9.1 did not cure the issue, new start didn't help either. OS X 10.7.4 on 4GB MacBook Pro.
Any ideas? Thanks
Klaus