The VU 5.5 has had some fixes applied. Click on the link for further info. http://www.entropiaplanets.com/wiki/5.5.0.1 http://www.entropiaplanets.com/wiki/5.5.0.2 http://www.entropiaplanets.com/wiki/5.5.0.3 http://www.entropiaplanets.com/wiki/5.5.0.4 http://www.entropiaplanets.com/wiki/5.5.0.5 http://www.entropiaplanets.com/wiki/5.5.0.6 http://www.entropiaplanets.com/wiki/5.5.0.7 http://www.entropiaplanets.com/wiki/5.5.0.8 http://www.entropiaplanets.com/wiki/5.5.0.9 http://www.entropiaplanets.com/wiki/5.5.0.10