I'm also in the middle of this kit. Parts fit is typical Tamiya - very good. Their detail work is getting better, probably due to pressure from the other manufacturers, but they could still do better. I don't consider myself a rivet counter, but there are things Tamiya doesn't yet do that really surprise me.
1. Still has molded hatch handles. No good reason for that.
2. They should upgrade their molding of the .50 cal. Gun. I was spoiled by the one on the Bronco M24.
3. The kit includes the tow cable ends, but no simulated cable.
4. Even the box art shows the holes in the flanges for the mud guards/shields but there aren't any holes in the tiny molded flanges on the fenders.
5. They finally included periscopes for the driver and BOG hatches, but the hatches have the periscope covers molded in the closed position, and if you install the periscopes inside the hatches they are straight up and down as if they are open. The 'scope for the commander's hatch is wrong size compared to the cover molded on the outside.
I'm trying to work around most of these issues with varying degrees of success with the exception of the .50 cal. Don't know what to do there except surrender to the existing part.