Will the "OpenGL4 and es3.1 merged into main"feature be available in the next build?

Thank you for any information!

You refrenceing to some github commit? or something that epic said somewhere?

The epic’s roadmap.

As i see in github there some GL4 and ES3.1 code, but not sure s it active, in windows you can turn on opengl4 renderer by starting UE4 with -opengl4