I feel that Image Occlusion is a very important & fundamental feature that should be included as a core feature in Anki, without the need for any add-ons.
I was creating flashcards and realized that this feature was missing. Later, I learned about the existence of an Image Occlusion add-on, but I really feel that this should be a core feature. I hope you will consider adding this feature to future versions of Anki.
Thank you