iOS Firmware shows some new iOS firmware hitting Apple’s servers this afternoon.  iOS 4.3.3 reduces the size of the tracking cache, doesn’t back it up to iTunes and turns it off when you tell it to turn off.  No word on any battery savings.  Direct downloads below:

device current version date found
AppleTV(2G) (AppleTV2,1) 4.2.1 (8F202) 03/22/2011 16:12:01
iPad (iPad1,1) 4.3.3 (8J3) 05/04/2011 13:19:01
iPad2,1 (iPad2,1) 4.3.3 (8J2) 05/04/2011 13:19:01
iPad2,2 (iPad2,2) 4.3.3 (8J2) 05/04/2011 13:19:01
iPad2,3 (iPad2,3) 4.3.3 (8J2) 05/04/2011 13:19:01
iPhone (iPhone1,1) 3.1.3 (7E18) 04/08/2010 21:05:48
iPhone3G (iPhone1,2) 4.2 (8C148) 11/22/2010 13:08:57
iPhone3GS (iPhone2,1) 4.3.3 (8J2) 05/04/2011 13:19:01
iPhone4 (iPhone3,1) 4.3.3 (8J2) 05/04/2011 13:19:01
iPhone4(vz) (iPhone3,3) 4.2.8 (8E401) 05/04/2011 13:19:01
iPodTouch(2G) (iPod2,1) 4.2 (8C148) 11/22/2010 13:08:57
iPodTouch(3G) (iPod3,1) 4.3.3 (8J2) 05/04/2011 13:19:01
iPodTouch(4G) (iPod4,1) 4.3.3 (8J2) 05/04/2011 13:19:01
last updated: 05/04/2011 13:20:01 EDT