Roblox allows players to communicate with each other using various means. While text messages are the most common way to do so, some players prefer to use the voice chat.

Until now, one thing common in online games was missing from Roblox: voice chat. Players communicated with each other entirely through text messages, or using pre-set actions and sound bites.

The AI system has detected and reported 1,200 cases to the National Center for Missing and Exploited Children this year.

On Thursday, Roblox announced Roblox Sentinel, an artificial intelligence system that's designed to flag inappropriate messages in its chat feature.