This beta thread should help.
AnyDVD HD 18.104.22.168 beta
This version fixes a bug which prevents OpenSeason R2 (UK & Netherlands) to rip correctly. As always, there are many other small fixes and improvements.
Additionally, it supports decrypting and "on the fly remastering" of HD DVD discs:
22.214.171.124 2007 02 12
- New: Added support for new versions of the SONY Arccos protection
to the option to remove "Protection based on unreadable Sectors"
- New: Added HD DVD and AACS support.
(Registered users need an upgrade key, currently only available to
registered beta testers)
- Fix: Problem with multi-angle titles and Sony Arccos protection
- Some minor fixes and improvements