When trying to use skype with Win8 RP after entering the password it would just sit there with the spinning circle.
Cpu usage was ~30%.
This new version is working.
Skype 5.9 for Windows hotfixToday we have released a hotfix to the Skype 5.9 for Windows.
The newly released build resolves an issue which made Skype to use excess amount of system resources on the Windows 8 Release Preview, build 8400.
We would recommend for everyone to upgrade to the latest version.
Full release notes for the Skype 220.127.116.11 are:
Generic Skype used excess amount of system resources on Windows 8 Release Preview