Release Notes v1.7-0
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Engine / SDK:
Added map priority system to enable finer-grained control over how map resources are scheduled.
Added in-engine polygon hit detection system for polygons on vector maps.
Made vertex buffer distances optional on MEVectorMapDelegate protocol.
Added optional string id for AddPolygon function. This gets returned in a polygon hit event.

AltusDemo Reference Application:
Added Stress test category and several stress tests to demonstrate how map priorities work in different scenarios.
Add Polygon test for demonstrating new Polygon hit-testing system.
Added alert message support to METest base class.
Added Test to show cumulative map loading times.
Add WMS TileWorker that demonstrates how to download raster tiles from WMS servers.
Make network caching optional in all example network tile workers.
Port all WMS tests from older reference application to AltusDemo.
Add fractal map layer to demonstrate a computationally expensive tile provider.