Some of the changes are as follow:
- Improved handling of unallocated space on Android EXT4 and YAFFS partitions
- Ability to back up multiple cases simultaneously
- Expanded decryption support for YAFFS 1 and 2, and iOS systems
- Support for the Ex01 Evidence File Format
- You can now bookmark more than 9,999 items at a time
- New OCR support with a new engine has been added
Available at H11 Digital Forensics
Also Access Data has announced that as of October 2012 FTK 1.8x will no longer be available for download. They will also stop all support for it October 2013.
It was a great tool and had a great run!