“This new feature enhances your best photos, offers creative edits to make your content stand out, and creates fun collages and videos to help you connect with the friends and family you choose to share with. No design skills required – this feature does the heavy lifting, so you can focus on sharing the fun. All suggestions are private to you and you decide what to share, when to share, and with whom. We don’t use media from your camera roll to improve AI at Meta, unless you choose to edit this media with our AI tools, or share. Head to the Meta Privacy Policy to learn more.”
Source : New Facebook Feature Suggests Edits and Collages to Share