Issue with Lightroom Controls disappearing

[philipfromga1]

Lightroom 2015.8

MacOS 10.12.1

The controls disappear when clicking through different tasks. i.e. changing to multi-picture library view from single picture or library to develop.

below is a before and after screenshot. The controls reappear on when the screen is hidden and then recovered but returns to blank as soon as I change pages.

[99jon · Accepted solution]

It is a known issue although usually intermittent on some Mac OS computers. You could follow the thread below for progress. A couple of work-arounds:

Press G to go back to the Library grid followed by D to get back to Develop.

Minimize your window and then click the LR dock icon to re-open.

https://feedback.photoshop.com/photoshop_family/topics/lightroom-2015-7-in-macos-sierra-bugs