I have a vessel with ~150 science reports. For the first 5 reports, the tooltip is in the right place, but as I scroll down the tooltip doesn't follow this, so the more I scroll, the further down the screen the tooltip appears, and eventually it appears off the bottom and makes it impossible to see the info on the science report.

To reproduce:

• Add dozens of science reports to a vessel
• Open manifest, select "Science" transfer, then select the part with science in the transfer window
• Press "+" to expand the science detail
• Scroll down the list, hover mouse over an entry
• The tooltip appears in the wrong place, too far down or even off the bottom of the screen

Fixed in 5.0.0.1. I refactored the tool tip engine. I had misunderstood Unity and screen vs Gui positioning.