I have the latest version of apple's photo app and I want to import all the pictures from apple's photo app to lightroom. my photo library is very big and I don't want to have 2 databases of photos.
Photos app does not allow any third external editor to interact with it directly and that is by design editor.
you will have to first export the images from Photos app and then, import them in Lightroom.
Here is the article that you can refer :