Release Notes: This release adds support for OpenGL 4.4 and OpenGL ES 3.0, improves OpenGL performance, and reduces memory consumption. It also includes a brand new SDL2 backend, support for joystick and gamepad devices, and a huge amount of stability fixes. Users of OpenTK 1.0 and 1.1 beta are strongly encouraged to upgrade.
Release Notes: This release introduces full OpenGL 3.1 support, massively improves text rendering performance, and enhances stability and resolves a number of long-standing issues. It also includes a new sample browser with integrated source code and documentation displays.