Reported Version: v0.1.4 (latest) | Mods: none | Can replicate without mods? Yes
OS: Windows 11 | CPU: AMD Ryzen 5600X | GPU: 4060Ti | RAM: 32GB
If you activate timewarp in orbit while the engine runs, the thrust do not affect the orbit.
I tested it with Swerv, Nerv and Vector. Sometimes the Nerve worked and sometimes it didn't.
I've noticed this problem since v0.1.3
Similar problem as: Elliptical Solar Orbits Cause Timewarp Under Acceleration to Stop Producing Thrust.