I have questions concerning how to use Affinity with Apple Photos in the best possible way.
Note (1): I am new to this forum and not firm with this language, so sorry for all mistakes I make.
Note (2): I am still using MacOS High Sierra, so I am currently unaffected to that Catalina-Bug of the AF-Extension.
I am using Affinity Photo with Apple Photos for a while now, taking the path via "Edit"->"Edit in Affinity Photo".
I noticed, that my Apple Photos library added massively in space since then: My original library containing 8000 photos (all JPEG) maybe is around 40-50GB, but after editing ca. <1000 of these pictures, the library now contains close to 500GB, so ~10x more.
Taking a close look to my what my Apple Photos library-package contains, this gain in space is mostly caused by a dozen "recovery.rem"-folders inside the "resources" folder.
Two additional observations: Sometimes Apple Photos says it scales down photos after saving back from Affinity- sometimes not. Sometimes edits are saved when I click on "Edit in Affinity Photo" again- sometimes not.
I am aware of the fact, that compressed pictures get much larger when edited in AP. Nevertheless I started to ask myself, whether I do something wrong. Therefore I wanted to ask users more experienced using Affinity with Apple Photos: (1) Is this massive gain in space (due to "recovery.rem"-folders) normal? (2) Are there any preferences in Affinity or Apple Photos to prevent/minimize this effect?
(3) What causes Affinity to save/recognize its own edits when clicking on "editing" again?