If you head over to ASUS's download page for the Transformer Pad Infinity (TF700T), you can grab the newest firmware update for your Infinity - 10.4.4.20. The update is available for US, Japan, China, Taiwan, and Worldwide variants of the TF700T, so make sure you download the correct firmware. Some folks over at XDA have been playing with the update, but until now, a changelog has been elusive.
We happen to have the official changelog from ASUS, and this a pretty substantial bug-fix update that should alleviate some of the issues people have been experiencing with the device. Take a look: