If you mouse over a piece of code hilighted in red (error) or yellow (warning), it immediately pops up a tooltip with the details about the error or warning.
I really like this feature, but I prefer using the keyboard, and I don't like having to reach for the mouse to see these tooltips.
If you put the caret inside a highlighted piece of code, the error/warning details show up in the status bar. However, I find this difficult to use because my eyes have to move from teh middle of the screen down to the bottom.
What I would prefer is to have the tooltip also popup for the caret after some configurable delay, e.g. 300 ms.