Windows 10 has been a full public release now for over a year. Its biggest complaints seem to be about its heavy handed security model and intrusiveness. This seems to have been slowly ramping up more and more in every Windows release. These telemetry and data collecting features ARE present in Windows 7-8, but its not nearly as intrusive and baked in the OS.
The Pro Tools 12.5 Dashboard has changed with the addition of Projects. This is related to the new online collaboration feature. The settings for Projects and Sessions are slightly different and default Pro Tools settings can be a bit problematic if you are not aware.