Version 6

Mostly optimisations: added instanced draw calls, draw calls and material changes counting, LOD

Version 5.1

Fixed bugs with camera and mesh loading

Version 5

Added:

1. Scene and model loading via .json files.
2. Textures support
3. Scene information in window's header

Version 4

Same scene and controls like in v3, but with Phong lightning

Version 3

Some models loaded from .obj files with rotatable(hold and drag mouse), movable(wasd) and zoomable(middle mouse button) camera

Version 2

Just cubes with rotatable camera by holding LMB