The built-in has been changed to the URP pipeline, but in the existing built-in, the background of the object image has been removed and created.
However, in URP the background is not removed and a white background is created.
InteriorDesignerManager.cs has not been modified.

    Hi! I'm sorry I don't understand, can you show your issue with images or a video? Thanks!

      Images in InteriorModuleThumbnails are generated from DXT5 in the built-in pipeline.
      But in urp the image is created as DXT1.
      I also want the image to be created in DXT5 from urp.

        The images are generated in
        ThumbnailGenerator.cs
        which is using RuntimePreviewGenerator.cs

        You can find the latest version of that class here:
        https://github.com/yasirkula/UnityRuntimePreviewGenerator/commits/master

        These 2 classes are not managing the default import settings for the file generated. You read more about how to change import settings here:

        https://answers.unity.com/questions/1128274/how-to-change-default-import-settings.html
        https://forum.unity.com/threads/how-to-change-png-import-settings-via-script.734834/

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