Regarding questions about the nature of this update, the version number notwithstanding, v2 technically was not a major release (it was a fairly significant release functionality-wise, but it was a free update).
The next release (v3) will be a major release and the first non-free upgrade of UR since it first was released over 26 months ago.
As was mentioned, all purchases within 60 days of a major release are freely updated to the next version (see
http://www.kinook.com/order_policy.html), and in all likelihood the final release will be within 60 days. In fact, any purchase on or after today will be eligible for a free upgrade to v3 when released, even if that occurs more than 60 days from now.