Niran is releasing a new version about each week. The coming 1.44 release is delayed white new code from Linden Lab™ is integrated and debugged. And the user interface is being redone.
Version 1.43 is available for download. The news on http://niranv-sl.blogspot.com advises that the version is going to be buggy and crash prone. But, it does have new code and fixes coming out of the Lab.
NiranV 1.43 Download 32bit. A 64-bit version is available. The download is about 42mb and only takes a couple of minutes. Niran recommends clearing the settings and cache when installing new versions.