This Facebook® concept was made by me just in a purpose of interest. I tried to do my best to create minimalistic convenient interface, which I'd like to use myself. All the UI or UX solutions I presented here could be controversial. It's not an official project, just a concept.
You can download it for free from Uplabs: https://www.uplabs.com/posts/facebook-redesign-concept-news-profile-photo-chats