Windows 10: What's coming in 2016?

What comes next for Windows 10? If 2015 was a year of revolution, 2016 promises to be a year of consolidation for Microsoft's operating system.

Windows is now delivered "as a service", meaning incremental updates with new features as well as security patches, but Microsoft still seems works internally to a schedule of milestone releases. Windows 10 has had two so far, the initial July 2015 release codenamed Threshold, and the November update called Threshold 2.

Next up is Redstone, rumoured to arrive around the anniversary of Windows 10, midway through 2016, but with Insider previews available earlier. What will be in Redstone is not yet known, though there is plenty on the to-