anydmusic
Personally I'm more worried about Windows 10 updates breaking my UAD-1 or MidiMan 2496 drivers than I am about one of them breaking Sonar.
I think you're spot on here.
I've not seen ANY problems with Sonar itself due to Windows upgrades. Pretty much all of the "updates" issues reported on this forum (and ones I've experienced myself over the years) have been driver/hardware related. My recent issues with the 1709 upgrade did manifest themselves in Sonar, but a refresh of my display, network and sound drivers fixed it. Even if you were using another DAW, you'd still get these issues.
Also, earlier versions of Sonar have been working for years without issue on newer OS's. I've still got Pro Audio 9 running on one machine. Is there any reason SPLAT would be different?
Yes there is a possibility that a Windows library gets updated and breaks something, but Microsoft does do its best to ensure backwards compatibility. If they didn't, there would be an outcry from the hundreds of software houses out there who supply software for Windows.
Even if this does happen, it's likely that setting compatibility mode to Windows 7 would probably fix it in any case.
Fixing drivers however, is a different story. My 1st gen Focusrite 18i20 and 6i6 are already out of date with updates only coming out for the 2nd gen models. But I managed to get 20 years of use out of my Yamaha DS2416 cards before I finally had to admit defeat, so I'm not going to worry too much.
M.