This issue occurs in almost every S-57 chart. It manifests itself in the averaging of points in polygonal objects, causing gaps and sometimes fills that don't follow the polygon outline.

When OpenCPN first supported mbTiles (v5.0), they always woke up turned ON. I complained at this, because my huge mbTiles were impacting startup performance, & now mbTiles always wake up turned OFF.

Global marine electronics leader, Raymarine, and Suzuki Marine, specialists in outboard engine technology, have joined forces to provide digital engine integration for Raymarine’s Axiom chartplotters.