Official comment
We will be releasing a terrain awareness feature soon-ish. There is a lot that goes into doing this and we are working on the steps to be able to provide it.
It will be fully offline capable like our basemap caching and will allow for terrain data storage for designing terrain aware flights in the field.
We also have a feature that is coming out in the next version that will allow the ground level of the terrain to be mapped to be manually adjust for the case where you are taking off at a low point and mapping up on a plateau.