Allow flashing of title bars to be configured.
When I receive a new message and the messages window in not in focus, the gajim system-tray icon changes, the messages window titlebar flashes, the titlebar content changes (gets a * added to it), and these last two changes are also reflected in the taskbar.
That means, on my desktop at least, that I have visual notification of a new message in 3 different places on my screen.
Visual notification is obviously important, but flashing titlebars draw your attention and are very distracting. Sometimes (not always) idle chit-chat with my chums doesn't take priority over my work, and the distraction is unwelcome. The change in the titlebar text is enough to remind me I have new messages when I have a moment to look at them.
As it is currently, I find myself reaching for my mouse just to give the message window focus for a moment just to stop it flashing.
I think it'd be nice to have the option to enable or disable this behaviour, even if it's only available in the advanced configuration editor, and not in the main preferences dialog.