This is the repository of the original LWJGL, which is no longer actively maintained. Unless you have released a product that uses LWJGL 2.x, you should probably be looking at LWJGL 3. The Lightweight ...
LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUDA) ...