The simple answer is because Mastodon is a microblogging platform that allows a maximum of four images per post. Pixelfed is a platform for sharing images that can display any number of images per post. The two platforms communicate with each other via the ActivityPub protocol, but have different orientations and target audiences.
The simple answer is because Mastodon is a microblogging platform that allows a maximum of four images per post. Pixelfed is a platform for sharing images that can display any number of images per post. The two platforms communicate with each other via the ActivityPub protocol, but have different orientations and target audiences.