The update is 160MB. You can download it from: here.
No release notes have been posted yet; however, MacRumors notes the following changes:
- Modem firmware: 04.02.13_G
- TIFF Exploit patched (per Engadget) so JailBreakMe no longer works
- Devices in iTunes, battery icon shows up to indicate it charges.
- Slide for emergency call changes languages
- International keyboard available
- No horizontal text messaging (per villanova329)
- iToner works.
- Screenshots of 1.1.2 from MacNN
- Custom Ringtones section
MacNN has noted the following:
- brings support for Language, Keyboards, Asian Font, and Region Format
- turning on multiple keyboards places globe key on the left of the space bar to allow users to cycle through various keyboards
- no search functionality in mail (yet)
- no direct support for Google IMAP accounts (still have to bypass the Gmail setup)
- no support for sending SMS to multiple recipients
- using AppSnap for "jailbreak" no longer works
-- Apple's own documentation (decompress via StuffIt Expander) has no details, just pointing users to the iPhone site, security update site, etc.
- users report the 'Add Event' function was added to to the iPod touch calendar application.
- the update also shows the iPod battery charge level/status from within iTunes