Skype for Windows Phone has received a fairly major update that adds Drawing which lets users send doodles to their friends, HD screen support, speed improvements and new options for signing in.
...of Windows 10, more Windows 10, and some other stuff
Windows 10 review: Microsoft goes back to the future
Windows 10 'Service Release 1' coming this month
These ten Lumias will be first to get Windows 10 Mobile
The Redmond Report - Episode 4: Windows 10 gets hit by lightning