title: Known bugs in OpenGL 3, OpenGL 4 implementations
body: <p>As we all get to know eventually, the specification is one thing and the implementation is another. Most of bugs we cause ourselves, but sometimes that's not the case.</p>
  
  <p>I believe it'd be useful to make a small list of:</p>
  
  <h2>What are the currently known bugs in the GPU drivers, related to the implementation of recent versions of OpenGL and GLSL?</h2>
  
  <p>Please remember to always post the relevant <strong>graphics card</strong> and <strong>driver version</strong>.</p>