Tomboy not working correctly through proxy

The ability to sync the Tomboy notes with my Ubuntu One account through a proxy is not working with the latest release of Ubuntu 11.10 beta 1.

This is a major issue, as this is used for work based requirements, and was working perfectly with 11.04.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: tomboy 1.7.6-1ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
Date: Tue Sep 13 11:41:56 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: tomboy
UpgradeStatus: No upgrade log present (probably fresh install)