After choosing cancel in the close file dialog all my viewports freeze. Menus are still working.
I have to save and reopen the file to be able to continue working on it.
Restarting Rhino ain’t necessary.
Happens with every file.
Rhino version: 5.0.1
OS X 10.10.4
MacBook Pro (17-inch, Early 2009) / 2,66 GHz Intel Core 2 Duo / 8 GB 1067 MHz DDR3 / NVIDIA GeForce 9400M 256 MB