Logo aside, the company is also making some visual tweaks to its flagship app. The flatter black and white design we first spotted last month is officially making its way to Instagram's iOS and ...

They all retain their white background, with their respective logo adopting the rainbow blend of colors that will now define Instagram. Boomerang and Layout both sport a new logo, though ...

An unprompted update to the app has switched the feed’s usual white background to black. And while Instagram says the move is designed to make the app more immersive, not everyone is convinced.