Improving filtering Eight years after launching the Vulkan database to the public, it’s approaching 30,000 uploaded reports from more than 3,300 different devices across Windows, Linux, Android, MacOS and iOS. With that much data available, good filtering capabilities are crucial. One part where the filtering capabilities of the database were severely lacking have been device coverage based listings. Device coverage is a percentage value that states how many distinct devices (not reports) support a given feature.