[imp] sort problem in imp 3.2

[alois blasbichler]

hello list,
imp 3.2 works fine for me, its great.
i have a problem with sorting messages, the standard is to sort for the arrival 
date and its works, but i cant sort for message size ore sender, when i click 
on this nothing happends.

is this a bug ?
ore a problem of my installation: suse 8.1, horde 2.2 imp 3.2

thank you

another question:
the version imp 3.2 is final : waths its mean, its stable ?
i use it for a productive system is it recommended ?

thanks again

luis