"All in all, 4.4.4 is not the most exciting update you'll ever install on your Android device, but it may help keep you safe when the next big security breach hits. Those who don't have Nexus devices will have to wait, though. Generally, mobile providers wait much longer than Google to provide Android updates, and for older phones, they may not provide updates at all."
Actually, this could not be further from the truth. OEMs implement their own proprietary kernels, so some exploits might be valid for some devices while other devices are immune from same exploits. Google HAD to go up on their own AOSP-based kernel, since it involves a kernel modification. Other manufacturers might not have to do the same, and it would not be the first time that while some devices were vulnerable, others were immune. IMO, 4.4.4 just includes a couple security features ommited from 4.4.3.
Last but not least GPE devices have received any/all applicable updates within a couple weeks from Nexus devices.
Can't really have great expectations from a website that missed the release of 4.4.3 completely, like it never happened (let alone publishing any change-logs or anything pertaining to the subject). If you want to keep up with Android news this is not the best place to be. iOS, however, is extensively covered . To each his/her own.