AV1 promises to dramatically improve video quality when we stream while sucking up less of our internet bandwidth. The issue is you can't just switch everything over to AV1 in an instant. It takes time, dedicated hardware, and streaming protocols. Thankfully, that's all finally coming together with OBS Studio support for AV1 being galvanised alongside beta support on YouTube for the new codec.
OBS Studio version 29.1.0 will add support for AV1 and HEVC streaming using an enhanced version of the RTMP streaming protocol...