I've  been using ASIO, WDM and WASAPI recently as I try to sort out Windows 10 and my hardware. Right now I'm using WDM with an UA Apollo Twin USB, a Presonus 1818VSL, and a Line6 PodXT Pro, in Windows 10. So far so good, low latency, stable clock, and all the I/O is present and accounted for.

That's not something I could do with ASIO in Windows. It is possible with ASIO in MacOS... so it must be possible<G>!

And this is distinct and different from various vendor's solutions. UA, MOTU, and  RME all have multiple device ASIO solutions.

MacOS uses CoreAudio, not ASIO.

From the nice-to-know department, Microsoft has invested quite a lot of effort in improving WDM/WASAPI performance and have a stated goal of ultimately achieving performance parity with ASIO. The current Windows 10 implementation purports to provide "near ASIO" performance but Microsoft still admits that ASIO is still the most performant driver model for Windows for the time being and will likely remain the preferred driver model for pro and prosumer shops for some time.
 
For me, it's plenty good enough on my hoary ten year old MOTU 8pre, but YMMV based on the interface manufacturer's quality of driver support and the DAW host's adoption of some new WASAPI opt-in audio stack features.