A new FrostWire update is available for Windows, Mac, Linux. (Android is coming very soon). This is an urgent release that includes YouTube search fixed.
frostwire (6.1.9) stable; urgency=high
* Fixes Youtube search issues.
* New jlibtorrent 18.104.22.168
* Shared maglnk url shortening not done with Bit.ly anymore.
* Library now remembers your last media type selection for the next session.
* Fixes event handling bug on “Create New Playlist” dialog for MacOSX.
* New FrostWireInputDialog.
— FrostWire Team Mon, 21 Dec 2015 16:52:50 -0500