The first, introduced in March 2014, cut the size of the app by half and added significant improvements to performance and responsiveness on a wide variety of Android devices.
In August 2016, Instagram introduced a "Stories" feature, letting users add photos to a 24-hour temporary story, with subsequent updates adding virtual stickers and augmented reality objects.
After its launch in 2010, Instagram rapidly gained popularity, with one million registered users in two months, 10 million in a year, and ultimately 800 million as of September 2017.
In November 2012, Instagram launched website profiles, allowing anyone to see users' feeds from their web browsers.
However, the website interface was limited in functionality, with notable omissions including the lack of a search bar, a news feed, and the ability to upload photos.
In September 2016, Instagram removed Photo Maps, which previously allowed users to see a map of their geotagged photos.