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This is the output from glxinfo for my machine:

$ glxinfo | grep version
server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
    Max core profile version: 4.1
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.0
OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.1.2
OpenGL core profile shading language version string: 4.10
OpenGL version string: 3.0 Mesa 11.1.2
OpenGL shading language version string: 1.30
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.1.2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00

Does that mean my card only supports OpenGL up to 3.0? What does the 4.1 "core profile" version mean? I've got a Sapphire Radeon R7 250X which should support up to OpenGL 4.3 according to its online specs.

Could this be a driver issue? I'm on arch linux and I have xf86-video-ati installed.

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I am no expert in Mesa or OpenGL but according to the release notes of Mesa here then version 11.1 (and 11.2 also) only implements OpenGL up to version 4.1. So no matter if your card can do 4.3, Mesa will only use 4.1 I think.

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