When scrolling the ancestor path it may happen that its display is corrupted.
When you then hover over the items within it, they are shown correctly again.
This may be a platform bug, though as it doesn't happen when using the other themes, I filed it here.
When scrolling the ancestor path it may happen that its display is corrupted. When you then hover over the items within it, they are shown correctly again.
This may be a platform bug, though as it doesn't happen when using the other themes, I filed it here.
Sebastian