When one builds using colcon build --packages-select yolov8_bringup and then attempt to launch via ros2 launch yolov8_bring yolov8.launch.py you get an error about missing yolov8_msgs dependency. This happens because in yolov8_ros/package.xml it is missing <depend>yolov8_msgs</depend>.
When one builds using
colcon build --packages-select yolov8_bringupand then attempt to launch viaros2 launch yolov8_bring yolov8.launch.pyyou get an error about missingyolov8_msgsdependency. This happens because inyolov8_ros/package.xmlit is missing<depend>yolov8_msgs</depend>.