Originally Posted by
unis
Recently, NW made a significant change in RTW award rules.
The maximum miles you can fly is limited to 29,000 miles. There was no such max mileage limites IIRC. In contrast, here is the chart for revenue RTW ticket:
http://www.gnopps.com/skyteam/pages/rtw-fares.php
What a depreciation of miles!

You recall incorrectly. The cap on RTW mileage for award travel has been discussed. Lastly, 3rd party summaries of rules are hardly authoritative.