Bugs are tracked in SourceForge.net Tracker.
Getting started with bug tracking in Launchpad.Ubuntu also tracks bugs for packages derived from this project: lxappearance in Ubuntu, lxappearance-obconf in Ubuntu, lxde-common in Ubuntu, lxde-icon-theme in Ubuntu, lxdm in Ubuntu, lxinput in Ubuntu, lxlauncher in Ubuntu, lxmenu-data in Ubuntu, lxpanel in Ubuntu, lxrandr in Ubuntu, lxsession in Ubuntu, lxsession-edit in Ubuntu, lxshortcut in Ubuntu, lxtask in Ubuntu, lxterminal in Ubuntu, menu-cache in Ubuntu.