[cwyers]

Two major reasons:

1) Windows allows the GPU manufacturers to ship their own Vulkan support; AMD, Nvidia and Intel all do this, which covers 99.99999999999999% of all Windows machines where this is an issue. It's not as good as native support, but it's good enough.

2) Windows has over 90% market share on desktop. macOS has far, far less. It's a lot easier to get people to support your API when you have that kind of market share. iOS doesn't have enough market share for devs to ignore Android.

[fnord123]

>which covers 99.99999999999999% of all Windows machines where this is an issue.

TIL Matrox only has <00.00000000000001% of the market. :(

[threeseed]

Apple allows GPU manufacturers to ship their own Vulkan support as well.

It's likely not worth the vendor's effort but still.

[jolux]

If they were, say, actively revoking the certs of people trying to do this then it would be a different question, but it seems like the answer is the same for why anything gaming-related works worse or doesn't work at all on macOS: most gamers use Windows.