2.6.0:

Major updates

WebGL2 context support.WebGL2 is initialized instead of WebGL 1 when available (deltakosh)
New Unity 5 Editor Toolkit. Complete pipeline integration Doc - (MackeyK24)
New DebugLayer. Doc - (temechon)
New VideoTexture.CreateFromWebCam to generate video texture using WebRTC. Demo - (Sebastien Vandenberghe)(https://github.com/sebavanmicrosoft) / (deltakosh)
New HolographicCamera to support rendering on Windows Holographic. - (sebavan)

Updates

Effect.getVertexShaderSource() and Effect.getFragmentShaderSource() now returns the effective shader code (including evaluation of #define) (deltakosh)

Exporters

API doc

Bug fixes

Fixed an issue withaspect ratio when using CreateScreenshot (deltakosh)

Breaking changes