OpenAI ChatGPT Advance Voice Mode is here, better late than never. If in EU use a US VPN!! Check out my quick test.
Delete the app and reinstall if it's not enabled yet on your phone that worked for me.
More natural conversations and the ability to interrupt is the biggest gain in my opinion
More emotion in the voice
It can do cheesy accents and tell great stories
You can ask it to speak at a faster rate