World IPv6 launch day instructions

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Today is World IPv6 launch day. The current version of Neubot, 0.4.12, is IPv6 ready. But the code is configured to prefer IPv4 by default. So, if you want to try out IPv6, you need to give your explicit preference for IPv6.

To do that, open the settings page of the web user interface, locate the prefer_ipv6 setting, change prefer_ipv6 value to 1, and save the changes. From that point on, Neubot will try to use IPv6, if available, and fallback to IPv4 in case of errors.

You can revert to the default behavior at any time, by changing back the setting value again to 0. Of course, let us know if you experience any IPv6-related error or problem.