Blender 4.2 and newer. It is tested on Blender 4.2, 4.5 and 5.2 LTS.

Yes. The glass has real wall thickness and the drink is its own object that fills it to any level, with foam, bubbles and ice as separate parts. In Cycles the drink absorbs light through its depth like a real liquid.

Yes. Every material has a Cycles and an EEVEE version, and the addon switches them automatically when you change the render engine. Cycles gives the most realistic glass and drinks.

Yes. Convert to Mesh in the Parts tab turns the glass into plain mesh objects with simple PBR materials (base color, roughness, transmission) that export to glTF and FBX.

Yes. The card shows the capacity in ml, and Fit to Capacity in the Parts tab scales the glass to any volume you type.