I want to place a block, and I see the ghost image is rotated the wrong way. I use shift-mouse-wheel to rotate it. Now the ghost image is gone though, and I have to look into a new block space and back to make it appear.

This only occurs when placing the block aligned to blocks, if I'm already shifting and placing it between blocks, the ghost image is updated immediately.

Turns out this has nothing to do with rotating.
have a ghost-block placed by pointing into a corner, between the floor and wall. hit shift, let go of shift. there is no ghost block image