Does the Windows File Explorer use parallelization for thumbnail extraction?

[Windows 11]

Hi, I wonder if the Windows File Explorer utilizes parallelization or multithreading for thumbnail extraction. I am currently learning more about the internal workings of the Windows File Explorer, and getting an expert's answer would be helpful. If possible, please include Windows versions from 7 up to 11. From my current experiments on Windows 11, it seems like the thumbnails are loaded sequentially, mixed with some lazy loading. Feel free to correct me if I am wrong.Thank you and best regards.

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