GL 3.x - geometry shaders, native integer support in shaders, framebuffer objects (already supported in most hardware supporting 2.1 but as extension), instancing, better control for texture sampling and data flow Very roughly, the sexy features between versions are: Your best source of information is the OpenGL specifications on, but they are not for the impatient (the end of each version spec includes the new features usually). information on differences of OpenGL versions is hard to come by. Anyway, even such a poll is nice to have so thanks - hopefully the results are representative of the total even though there might be some unlikely correlation between blenderartists members and GPU version. Downloads of blender could provide a metric because we could detect webgl support from browser, though it’s not always reliable to defer OpenGL version from the browser or machine that downloaded the executable. Anyway, we were thinking about s way to get such information but it’s not easy without having code in blender that sends us the information and we are against that obviously. What would be interesting is to also get some correlation with OS as well.
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