Microsoft has released a new version of their Skype app for their Windows Phone platform, the new version comes with some a number of improvements and bug fixes for Windows Phone 8.
Skype have removed the Windows Phone People Hub integration, according to the release this has been removed due to stability issues, this feature is expected to be available at a later date.
You can find out more information about Skype for Windows Phone 8 over at the Windows Phone 8 store, it should be noted that this is still a preview version of the app.
Source Geekwire