This is really going to hurt Windows users who do not want to use .exe or Windows 10 apps, which are both very heavy and less secure when it comes to https or remote content loading compared to Chrome Apps (Windows UWP in this case).
Disclaimer: It's interesting to see that our app (Polarr) is in the screenshot (link: https://chrome.google.com/webstore/detail/polarr-photo-edito...)
Although ChromeOS is the smallest platform we currently support, we spent a lot of energy on it and it is so far, still the highest rated photo chrome app.
To put things in perspective. Between September to December, our Chrome App user breakdown are
Windows: 48.05% ChromeOS: 43.38% macOS: 7.11% Amount of users who used the app during this time frame: 326,459 (28.92% new).
Between Jun and September, our user breakdown are
Windows: 56.34% ChromeOS: 34.84% macOS: 7.25% Amount of users who used the app during this time frame: 280,013 (28.52% new).