It was just last week that Microsoft got OpenGL 4.3 implemented over Direct3D 12 for use in cases where Windows lacks a native OpenGL driver or for use under Windows Subsystem for Linux (WSLg). After implementing a few more GL extensions atop D3D12, Microsoft has now got OpenGL 4.4 in Mesa running on Direct3D…
Source: Phoronix – Microsoft Gets OpenGL 4.4 Running Atop Direct3D 12 Using Mesa, OpenGL 4.5 Inbound