Why Are Pictures On My iPhone X Unediting Themselves?

So for a couple of months now, the photos on my X have been randomly unediting. I'm not doing this myself. My portrait pictures are reverting to normal pictures, my cropped pictures are being un cropped, any way I edit my photos, they are being changed back to the original. There's no way this is a storage issue because more than half of my storage is unused. Is this happening to anyone else? I know it's a first world problem, but please help!

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