I like to keep things organized in my blueprints, which means I like to use reroute nodes to keep TODO comments.
But, I figured out soon that comments on the reroute node is hiding when mouse is hovering over the node after compile blueprint.
I think it’s a bug because the rest of the node comments are all fine.
It’s pretty annoying, agreed. Made me stop using re-route comments. And it’s been there since ever, I think. A tiny QoL thing unlikely to end up as a high priority fix. You can still try, though: