It already does. With IPv6, you don't go through some CGNAT box, that could misbehave or just break (and since the biggest chunk of content is available through IPv6, this may not be a priority). Also, a shared IPv4 can be banned by various sites if one of the owner misbehaves. This issue is not present with IPv6.

More on this: https://vincent.bernat.ch/en/blog/2024-why-ipv6