this codec is for RTC comms - it supports 20ms frame rate. They did mention it's launched in their calling products: "We have already fully launched MLow to al

this codec is for RTC comms - it supports 20ms frame rate. They did mention it's launched in their calling products: "We have already fully launched MLow to all Instagram and Messenger calls and are actively rolling it out on WhatsApp—and we’ve already seen incredible improvement in user engagement driven by better audio quality."