Yeah it still disengages fine, it just seems hesitant from a standing start. It is a grind/rattle. Also I've noticed, the revs tend to be slightly higher than usual when this happens, it usually idles on around 1000, but it hovers at 1100-1200 when the problem occurs.
If the car is moving and I put it in 1st/2nd, it is absolutely fine.
However, once hot, standing starts are a nightmare (and its not coz im noob and can't drive a twin plate, it was fine until recently.)