Operating system: Win 10 Pro 64 Bit
Graphics card: GTX 1050
Broken: 2.80 2019-02-17 64bit 319b9d6501f2
Worked: 2.80 2019-02-15 64bit ec471a9b1c14
Grid not visible with orthographic projection.
Perhaps this is related to T61632
Exact steps for others to reproduce the error
Open default startup file. Switch to any orthographic view or simply switch from perspective to orthographic projection.