There's a new release up now, xword 1.0.6. (direct link)

I've fixed two of the main bugs and added some new functionality:

* Added osso support
It will now launch xword if necessary and load the selected puzzle if you click on a .puz link in your browser, or double-tap one in the file manager. This also makes the feedback notifications a little friendlier.

* Basic file magic checking
If you try to load a file that isn't a valid .puz file by accident, it shouldn't freeze or crash xword anymore.

* Support cryptic-type puzzles
May need more testing, but they seem okay to me so far

* Added notebook support
There's now a "notepad..." item in the "Puzzle" menu, where you can read notes embedded in the puzzle, or make your own notes which will be saved for you along with your responses.

Finally, it now builds like a regular .deb instead of using pypackager.