Win 7 x64, Radeon HD7770
Broken: 2.74 RC2
Short description of error
If I zoom in one step more in the 3D viewport, the background image disappears if I used the new rotation feature (great addition btw).
I could not reproduce the effect from scratch so I threw everything but the background out of the file I was working on.
Exact steps for others to reproduce the error
In the 3D viewport of