As has been mentioned before, this seems to be an issue with apps using "Minimize to Tray" when there is no "tray" in Unity. Marking this as Fix Released in Unity as the core issue of showing the running app in the Launcher is fixed.
** Changed in: unity Status: Triaged => Fix Released ** Changed in: unity (Ubuntu) Status: Triaged => Fix Released ** Changed in: unity Milestone: 7.3.2 => None ** Changed in: unity/5.0 Status: Triaged => Fix Released ** Changed in: unity/5.0 Milestone: 5.24.0 => None -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/762193 Title: No launcher icon or Alt+Tab entry for xchat/xchat-gnome windows Status in Unity: Fix Released Status in Unity 5.0 series: Fix Released Status in Unity 6.0 series: Won't Fix Status in unity package in Ubuntu: Fix Released Status in xchat package in Ubuntu: Triaged Bug description: Binary package hint: unity Running Xchat (see scrennshot) Unity fails to show that the application is running. If I minimize Xchat, Unity still won't be showing that the app is running. If I click on the Xchat icon again it will start a new instance while the old one is still running. ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: unity 3.8.8-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2 Uname: Linux 2.6.38-8-generic i686 NonfreeKernelModules: wl Architecture: i386 CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell] Date: Fri Apr 15 17:05:47 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110407) ProcEnviron: LANGUAGE=en_CA:en LANG=en_CA.UTF-8 SHELL=/bin/bash SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/762193/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp