I've just compiled and installed JWM 1.1.
It fixed all the bugs I had noticed. It is quite stable.
I will play a little bit more before releasing a puppyfied dotpup Monday or Tuesday.
If you installed 1.0 you should really install this one.
Please note that the configuration file is not backwards compatible with pre1.0 configuration files. My dotpup will include an already converted configuration file (the one I'm using right now).