Hey Apple, here is the description what you do wrong ....
(using ohne file as example)
In the iphone file system you store the otiginal photos in:
./DCIM/102APPLE/IMG_2278.JPG
If one is editing it it will be stored as a copy ans some other files and linked via a database. The copy goes into another directory:
file1 =>
./PhotoData/Mutations/DCIM/102APPLE/IMG_2278/Adjustments/Adjustments.plist
file2 =>
./PhotoData/Mutations/DCIM/102APPLE/IMG_2278/Adjustments/FullSizeRender.jpg
This fullSizeRender.jpg is the edited photo but now in a completely different directory as tehe original. The iphone nows that since it uses a database to display the photos i the right manner. But we the user can not dowload the edited photo as we would expect.
You can get the edited photos if you use Airdrop to trasfer them. But they will always have the wrom name "FullSizeRender.jpg" or even the wrong creation date and time. Beside of this there are many personal informations in the meta data like e-mail adress.
So, now you now where to look at !