matt on 11 Feb, 2019 03:56 AM
It uses the old model. We area aware of the change and will update at some point, but do not feel that it requires immediate action. The out-of-cycle update has gotten a lot of press, but the old model is not suddenly wildly inaccurate for most of North America, where CalTopo has coverage. Polar navigation might be a different story, but CalTopo doesn't have map coverage for the poles.