Kadu 1.0 is very very close to be released. Since last release candidate only a few bugs were found (and only one was serious) and all of them were fixed.
Now I'll focus again on making it work on Windows using OpenSuse Build Service. I won't promise anything, but I'll try to make it happen.
I'm also working on next release on Kadu - 1.1 or just 2 - that will be based on Qt5 instaed of Qt4. I still don't know what features will be introduced - first months of work are always dedicated to internals. I want Kadu 1.1/2 to use at least very simple dependency injection. That is why I'm also starting work on new dependency-injection library dedicated to Qt. Stay tuned ;) It will be amazing ;)