I don't know if this was reported before but i see a error in Xarchive 0.2.8-6:

pup version 4.3.2rev3, fresh hdd install

Wrapper found and their supported file extensions:
/usr/local/lib/xarchive/wrapper/7za-wrap.sh
Extensions: ** Needed program not found, ignored **

/usr/local/lib/xarchive ...