Simple reproducer that shows a leak in unity-panel-service (there may be other scenarios that cause a leak too):
1) Open a terminal and watch the RSS size of the unity-panel-service process:
watch -n 0.5 ps -o rss= `pgrep unity-panel`
2) The value reported should stabilize
3) Launch gedit. Observe the value goes up a bit
4) Quit gedit. Observe that the value does not go down
5) Launch gedit. Observe that the value goes up again
Simple reproducer that shows a leak in unity-panel-service (there may be other scenarios that cause a leak too):
1) Open a terminal and watch the RSS size of the unity-panel-service process:
watch -n 0.5 ps -o rss= `pgrep unity-panel`
2) The value reported should stabilize
3) Launch gedit. Observe the value goes up a bit
4) Quit gedit. Observe that the value does not go down
5) Launch gedit. Observe that the value goes up again