Yup. By using only OpenGLES 3.0 and equivalent OpenGL, they achieve maximum compatibility while having nice enough visuals as well as good enough performance.

Yup. By using only OpenGLES 3.0 and equivalent OpenGL, they achieve maximum compatibility while having nice enough visuals as well as good enough performance. Pragmatic decision, no point trying to compete with Unreal Engine in the visual department. That being said, people are achieving some really nice visuals in Godot 3.0 using the PBR shader and new renderer...