what do you mean with next release? because the error is still there
Apr 29 10:58:59 Some error during unpacking occured. Error: /bin/tar: Archive is compressed. Use -z option
/bin/tar: Error is not recoverable: exiting now
/bin/cat: write error: Broken pipe
Apr 29 10:58:59 Import ERROR (global block): Failed to find a xml file in temp directory
tested with: ISPmanager-Lite 4.3.54.2 in debian5
i've to migrate many users from plesk, please repair it