KDE 4.10 Upgrade and Disappearing Windows

So, KDE 4.10 just came out last week, the Arch repos sometime thereafter, and I updated today. I really love new versions of KDE–honestly–but this time something really bizarre happened. I updated, rebooted to the new kernel (I was running 3.7.4, the update was to 3.7.6), fired up KDE, and started loading my usual applications. [...] Related posts:

1. OpenRC Upgrade
2. Screen Gotchas
3. Windows XP SP3 Power-save Issues
4. Remotely Start Windows Service… from Samba