My computer recently had several Windows updates, including going to 1709. What I've found so far is that SONAR is loading faster and running more smoothly; the tradeoff seems to be a longer shutdown time. Although I continue to experience the occasional SONAR glitch, there's nothing that wasn't happening before the updates.
Like many of you I've been focused on what happens if Windows "breaks" SONAR, but another possibility is that as Windows becomes more refined, SONAR will
benefit from this instead of experience problems. This may fall under the "wishful thinking" category, but still, based on my current experience I'm not prepared to rule it out.
Although I'm getting up to speed on Studio One so I can work with future MIDI enhancements, there are still several types of projects where nothing does the job as well as SONAR...so I want to use SONAR for these types of projects, as well as finish legacy ones, for as long as humanly possible.