Version 0.5 was never released. Instead, lo and behold: 0.6.

Release highlights:
 - new layout engine: must be faster and less buggier
 - some portability improvements
 - "gravity" rc file directive is obsolete; use "icon_gravity" instead
 - pixmap background support
 - MUCH better XEMBED interop
 - better handling of KDE icons
 - docbook documentation
 - boolean arguments are now optional in rc file

