When you say "unreliable" do you mean you get TransformExceptions, or something else? Im wondering whether timestamps or simulated time are the problem. We more often encounter issues because rosbag does not capture params and services. Also, there is some earlier discussion about inexact playback. --- [Visit Topic](https://discourse.ros.org/t/timestamps-and-rosbags-discussing-an-alternative-to-clock-and-use-sim-time/3238/5) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: