UDF is the filesystem standard used by DVD-ROMs and "packet writing" software for CDRs and CDRWs, such as Adaptec's DirectCD. UDF is intended as a general replacement for ISO9660.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Fixes for a lot of really stupid bugs found in 0.9.1, support for tables in addition to bitmaps, and support for the freed variety of both bitmaps and tables. Linux 2.3.99-pre6 is synced up with the version in regards to all bug fixes, but does not include the table support as it is still beta.