Operating system and graphics card
Windows 7 64bit
NVIDIA GeForce GTX 760
**Short description of error**
Pinned down panels display bug. The panel seperator line is not there (History) and one too much (Objects operations)
**Exact steps for others to reproduce the error**
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Please check the attached image and blend files for more.