Rendering Technique Defold Uses for Web

Questions
1

I just wonder which rendering technique is used for web exports. If it is webgl, which version of it is used and whether it can be configured while exporting.

2

WebGL 2.0 (fallback to WebGL 1.0, if 2.0 is not supported)

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3

Will it fallback according to browser/graphics capabilities of the device or Defold version

4

It will fallback to WebGL 1 if the browser/device doesn’t support WebGL 2.

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5

Can i manually force engine to use WebGL 1?
I found in documentation: Defold project settings
and set it to webgl_version_hint = 1

But its doesnt work as far i can see in browser console:
INFO:GRAPHICS: Version: OpenGL ES 3.0 (WebGL 2.0 (OpenGL ES 3.0 Chromium))

6

This was added in the 1.13.2 beta:

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