jerry73204 merged NEWSLabNTU/nano-ros#2804 · October 28, 2026 12:18 test(issue 2131): check spin_once's result in the heap-free C++ image #2804 Follow-up to #2800. The merge-group build of the new heap-free C++ image warned: rclcpp::spin_once is [[nodiscard]] and poc.cpp dropped its result (-… +3 -1