I believe that good and simple improvement to Layout would be an ability to draw and measure in real scale values. Say I do the house plan and work in scale 1:50. I start to draw a line and input 1 meter while Layout automatically inputs according scaled value of 20 mm. It could be either happen within content frame or as an option
As a cherry on a pie would be a back compatibility to Modeling environment so we could use our tech drawings to make models within the native format.
I believe it would solve ALL the issues with a Layout and Make it great again ©. Even in compare previous excellent Drafting module.
I hope it would be heard.