Linux 32-bit: SoulseekQt-2016-1-17-32bit.tgz
Linux 64-bit: SoulseekQt-2016-1-17-64bit.tgz
See the Changelog for list of features and fixes.
Try mbr:320 in the filter box under the search results. Click the Filter Help button for details. You can also set it as the default filter using the checkbox to the right.