Operating system: Darwin-18.7.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon RX 580 OpenGL Engine ATI Technologies Inc. 4.1 ATI-2.11.20
Broken: version: 2.82 (sub 1), branch: master, commit date: 2019-10-27 17:59, hash: rBdd904f67614b
Short description of error
Background images sometimes can't be seen, there is a chance that this will happen when creating a new window, and the navigation controls icon will also be lost.