Apple has released iOS 6.0.2 to address WiFi issues that some users have reported. You can get the update by going to Settings > General > Software Update on your iPhone or iPad. Unfortunately, I was hit with a connection error that lasted for several minutes. Even after rebooting my iPhone I could not connect to get the update. The problem seems to be resolved now and I am currently downloading and installing the update.
If you've been experiencing poor WiFi performance this update is definitely worth a try.
If you've been experiencing poor WiFi performance this update is definitely worth a try.