Rendering difference between version 164.1 and 165.0

Questions
1

Hi!
I was updating one of my projects from 164.1 to the latest 167.1 version when I noticed that some of my models looked different. I narrowed it down to the changes between 164.1 and 165.0
This first screenshot is from 164.1:

image

This model is a .glb model, which has a material with these parameters:
MeshStandardMaterial({ metalness: 0.5, roughness: 0.4 })

Now this model in 165.0 looks like this:

image

As you can see the model is way ‘brighter’ or ‘whiter’, I don’t know what to call this.
Is this a documented change somewhere, or did I run into some unknown changes?
I don’t know if this is enough to narrow down what change could have caused this to happen, or should I create a minimal example or something like that…
(The codebase is quite big with many models, it just so happens that I have a page dedicated for viewing some of these models)

Edit: This behaviour happens on all of my models that use the material ‘MeshStandardMaterial’ with those 2 parameters applied to them. No other models had this change, only those that had this exact material applied to them

2

It looks like this change occured because of commit ‘629f8a068d006c84835a54583e4ac2d32ba64e1f’
Which is strange, because I don’t use useLegacyLights in my code.

3

But I’m using RoomEnvironment!
The block of change in RoomEditor.js here caused my problem:

So the intensity value of the PointLight changed from 5 to 900 by default
(It was 5 for me because I never passed in my renderer object, so the check was always skipped)
Not sure about this…
I can fix it for myself by just modifying RoomEnvironment.js for myself

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