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You should be able to echo the /robot_description topic by running:
ros2 topic echo --qos-profile services_default --qos-durability transient_local /robot_description

See more details here:
https://answers.ros.org/question/305795/ros2-latching/#348298

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You should be able to echo the /robot_description topic by running:

 ros2 topic echo --qos-profile services_default --qos-durability transient_local /robot_description

See more details here:
https://answers.ros.org/question/305795/ros2-latching/#348298