* [#258 Update readme and CI jobs for iron (backport #248)](https://github.com/ros-controls/gazebo_ros2_control/pull/258) has been created for branch `iron`
* [#259 Update readme and CI jobs for iron (backport #248)](https://github.com/ros-controls/gazebo_ros2_control/pull/259) has been created for branch `humble` but encountered conflicts
We branched out for iron.