Hello everyone,

I have noticed that ever since updating to Gazebo 9.1, when I start Gazebo with roslaunch and then kill the simulation, gzserver does not die (and gzclient sometimes also lingers). I don't know if it has to do with the version of Gazebo, but I just noticed it has been happening since the update.
I have been starting the simulation multiple times with an optimizer, so I noticed that that happens a lot. I can log how many times, but I would estimate 30% of the times the simulation starts.
Has someone noticed that already? Any ideas on how to solve this? Thanks in advance.