The big news are support for Jabber protocol and a new OSD plugin.
Licq 1.5.0 also has major changes to the plugin API and marks the end
for old Qt3 based Qt-Gui in favour of Qt4-Gui.
Package is available for download:
http://sourceforge.net/projects/licq/files/
Full list of changes:
http://www.licq.org/wiki/DeveloperArea/ReleaseNotes/1.5.0
If you find any bugs, please create a ticket at http://www.licq.org/.
The Licq Team