System Information
Operating system: OSX 10.15.1
Graphics card: Radeon Pro 560 4 GB, Intel HD Graphics 630 1536 MB
Blender Version
Broken: 2.81 (2.81 2019-11-20)
Worked: (optional)
Short description of error
Objects become hidden and I cannot get them back.
Exact steps for others to reproduce the error
It is unclear what steps caused this, but it seems to coincide with using particle generator on an object. I have several objects, all marked visible in the hierarchy. Only a couple of them are appearing. I cannot get the others to show. However, if I go to another tab (like Shading), the objects appear in the viewport.
WORKAROUND: If I split the viewport, the new version DOES show the objects. I can then join the viewport back and the objects are back.