It will reach the public in the next week or so. It has been “signed” by MS so that means it has been tested by their public testers for glitches…no sarcasm, please.
This should be the first major change that the average user who isn't signed up to any advance testing program sees to Windows 10. It marks the first in what's planned to be a more frequent series of updates to the system, replacing the idea of having Service Packs, and even new editions of Windows. – infopackets
Skype and Edge are expected to receive improvements/new features as well. Assuming the update is indeed build 10586, the main changes will be improvements to Skype (including a new app for text-based messaging), improvements to the Edge browser, and a few visual tweaks including changes to some of the icons which didn't get a great reception among users. (Source: winbeta.org)