If you're using timewarp on few percents/enlighten only, you will be safe. But if you use relax or replay editor, you need to use your brain and thing which scores are suitable for your rank skill. There are guides on this forum btw
in February 2019 there was a partial detection, peppy detected the sound of the injection of the cheat, and rumoi forgot to check update, but now every update is carefully checked, so there is no need to worry