jerry73204 merged NEWSLabNTU/nano-ros#2876 · October 30, 2026 11:31 fix(issue 2145): spin_async never parks inside poll; book stops calling it waker-driven #2876 Issue 2145, first half. spin_async ran spin_once(1 ms) per poll, holding a single-threaded runtime's thread up to 1 ms. Each poll now runs one spin… +177 -25