System Information
Operating system: Window 10 x64
Graphics card: GTX1050mobile 4GB
Blender Version
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Worked: (optional)
Short description of error
Error Font Khmer Unicode. It doesn't support Khmer Unicode.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).