If you have any questions on Theano, please ask your questions in either theano-user mailing list or stackoverflow with the "theano" tag.
Use issue only to report bugs or to ask for new features in Theano.
Before reporting a bug, update to Theano development version. Maybe it is already fixed. If not, tell us the Theano flags and Theano version that generate the problem. If it is a regression, can do a "git bisect" to idenfy when the problem appeard. This really help fix it rapidly.
If you add a feature request, describe in which case it will be useful.