Eevee viewport exposure (?) different in layout configurations Just noticed that I have deeply different lighting in Eevee in different layouts.
This is the UV EDITOR:

This is the same corner, same room, but in a layout that I created:

This is yet another layout I created:

This is the standard LAYOUT:

And this is the SHADING laout:

I really don't know what setting could cause this difference of render in Eevee in different layout vieports.
The environment Strength setting is a per-layout shading setting.

It is a multiplier for the environment's color values.
A quick look at the data path will show why it is per-layout: