Linux 32-bit: SoulseekQt-2015-6-25-32bit
Linux 64-bit: SoulseekQt-2015-6-25-64bit
See the Changelog for list of features and fixes.
You can still do that if you opt for old-style search results in Options->UI. Search results are by default sorted by fastest/slots available, and you can use filters to look for minimum quality settings.