Problems with Decal Quality, Color, and Text when Downloading GLB Files (GLTFExporter + gltf-transform/draco compression)

[Fennec]

For the color issue, you may find some clues in this thread

Updates to Color Management in three.js r152

The upcoming release r152 will contain changes affecting color and lighting. These updates enable a “linear workflow” by default, for better image quality in both physically-based and non-physically-based scenes. By “linear workflow”, we mean that any sRGB input colors (as found in most textures, color pickers, CSS, and HTML) are converted from sRGB to a linear working color space for rendering, and the rendered image is converted back to sRGB for display. What does that mean for me? These ch…