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Whenever I drag and drop a png image out of the firefox browser it now has a black background over a transparent one

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For years, whenever I would drag a png out of my Firefox browser, I would just put the png itself down. But as of last night, instead of getting the clear background natural to a png, it instead replaces all the transparent areas with a black background. I was told that this is because Firefox is now 'saving' the images that are dragged and dropped as bmps rather than pngs. Is there any way to change this?

For years, whenever I would drag a png out of my Firefox browser, I would just put the png itself down. But as of last night, instead of getting the clear background natural to a png, it instead replaces all the transparent areas with a black background. I was told that this is because Firefox is now 'saving' the images that are dragged and dropped as bmps rather than pngs. Is there any way to change this?

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Hello, The images are saved in the original format:

Images .jpg: https://images.nasa.gov/details-iss058e001781.html Images .pgn: https://icon-icons.com/search/icons/?filtro=firefox

Do you have an example link where this happens?