If a tree falls in a forest, but there's no one around to hear it, does it make a sound? If Microsoft gets around to updating Windows RT 8.1, but there's no one still using a Windows RT device, does anyone notice?
Let's find out (about the Windows RT thing, we mean; the tree thing is an unanswerable question on purpose): Microsoft finally updated its Windows RT 8.1 operating system. The company has been promising to do so for months -- really, virtually all of 2015 -- although company reps have been cagey about what exactly it would entail.
Not that anyone thought it particularly likely, but there was a thread of a thought that perhaps Microsoft would do something dramatic to save the deeply unpopular OS, such as perhaps retrofit it with some version of Windows 10 and all of those Universal Apps. Perhaps, the theory went, that's why no one in the company would spill the beans.