Some MSFS2020 displays are way darker in MSFS2024

Yes these are 2020 packages in 2024.

First is a non textured material from blender just using RGB values.
2020:


2024:

Next is a textured material.

2020:

2024:

From this you can see a 2020 package in 2024 acts different.

GLTF settings. No Day/Night Cycles.
Blender Material:

        {
            "doubleSided" : true,
            "emissiveFactor" : [
                3,
                2.4600000381469727,
                1.8899999856948853
            ],
            "name" : "LED_Emmisive_ON",
            "pbrMetallicRoughness" : {
                "baseColorFactor" : [
                    0.4000000059604645,
                    0.4000000059604645,
                    0.4000000059604645,
                    1
                ],
                "metallicFactor" : 0,
                "roughnessFactor" : 0.10000000149011612
            }
        },

Textured:

        {
            "emissiveFactor" : [
                1,
                1,
                1
            ],
            "emissiveTexture" : {
                "index" : 147,
                "texCoord" : 0
            },
            "name" : "CeilingObjects",
            "normalTexture" : {
                "index" : 148,
                "texCoord" : 0
            },
            "occlusionTexture" : {
                "index" : 149,
                "texCoord" : 0
            },
            "pbrMetallicRoughness" : {
                "baseColorFactor" : [
                    1,
                    1,
                    1,
                    1
                ],
                "baseColorTexture" : {
                    "index" : 150,
                    "texCoord" : 0
                },
                "metallicRoughnessTexture" : {
                    "index" : 149,
                    "texCoord" : 0
                }
            }
        }