[jm4]

That’s the wrong way to look at it. Instead, look at how much does land upstream. Linux moves at an incredible pace.

Edit: BTW the figure I cited are contributors to mainline.

[pjmlp]

Yet it is still a mess to support laptops, because everything still needs to be reverse engineered instead of landing into upstream.

[jm4]

My laptops have been running fine for years.