That's not really what tracks are meant to be. Any time they change something in the AI, flight model, missile guidance, etc. the track will start to behave differently. A track can only be expected to replay correctly with the software version it was recorded with. And even then, DCS has limitations on how strict its determinism is. Making a computer simulation of this complexity 100% deterministic is next to impossible so very long tracks or tracks of very complex missions almost certainly break at some point.