Social media platform Twitter rolled out a fix to a recent update that removed the “@ reply” function for some users that previously left testers unhappy.

Previously, placing an @ symbol in front of a person’s Twitter username tags them in a tweet and sends them a notification. Twitter claimed they accidentally released an update that removed the @ reply function for iOS users.

The official Twitter support account tweeted about the incident and stated that the update was “an experiment”:

Many users reported their disdain for the update:

The update has been rolled back, and Twitter is back to using the same username mention format that it seems many people have grown extremely attached to.

Lucas Nolan is a reporter for Breitbart Tech covering issues of free speech and online censorship. Follow him on Twitter @LucasNolan_ or email him at lnolan@breitbart.com