Handbrake, Eric Petit's open-source DVD ripping/conversion utility, has been updated to version 0.9.1.

The new version, a 5.6 megabyte download, offers the following fixes and changes:
-No longer hangs during encoding of MKV files with chapter markers.
-Impressive performance enhancements.
-Significant interface prettification (Mac more than Win).
-Color subtitles now show up in color.
-Changing dimensions in Picture Settings no longer causes a crash (Mac).
-Forced subtitle support.
-More robust exception handling (Win).
-Closing the main window no longer causes HandBrake to crash (Mac).
-Using "Slow" deinterlacing no longer doubles the chapter count.
-MPEG Stream support is now case-insensitive (.VOB as well as .vob, etc) and more compatible.
-No more error messages sent to standard out instead of standard error.
-Bigger buffer for the activity log (Mac).
-Proper display of fading subtitles.
-On-completion options to shutdown, suspend, etc (Win).
-"Same as source FPS" now works correctly when the end-credits of a progressive film are interlaced.
-Add-to-queue fixed (Win).
-Target size fixed for the umpteenth time (Mac).
-And assorted other changes.

Handbrake 0.9.0 requires Mac OS X 10.3 or later to run and is available for free.

If you've tried the new version and have either positive or negative feedback, let us know via the comments or forums.