You said:

I realise that not many people use IPv6, nor is it really needed

...then said:

...and believe IPv6 support is something that it needs.

It's either needed or not and I am of the opinion that it's not needed at this time. I am all FOR new things but as there is still just over 1 billion IPv4 addresses left I think that there is little point in rushing the idea through. Only a handful of networks offer servers that support it too.