You can read the >details for yourself here
Absolute arrogance and the problem is that they know they can do whatever they please because Apple (who just as proprietary) is the only other game in town.
Just so it's clear: users running Windows 8.1 will need to update to Windows 8.1 Update 1 in order to receive any further updates.
MS aren't just cutting support entirely.
Techinally your right St1ckM4n but even 8.1 Update 1 has limited update support except on their RT series and newest computers with 8.1