When Jason is fighting the witch in the Jade castle, he jumps to recover the staff. You can clearly see that he has his hands on the pole when lands. In the next shot, the pole is several feet away from him. The shot after that, it's just within fingers reach.
Before crossing the desert, our four heroes are riding horses. During their crossing, there are no horses. After the cherry blossom fight, they escape on four horses.
In the fight between The Monk and Jade Warlord, Warlord cuts Monks shoulder with pole-arm and his robe is getting soaked in blood. Camera changes, and there is no cut or blood. Later on, it is visible again.
When the Jade Warlord slams the Silent Monk onto the Monkey King's altar at the end, it cuts to a different shot and the Silent Monk disappears, reappearing in the next shot.
When Jason goes to the fallen Golden Sparrow, her jade hairpin dagger is beside her feet on the floor, yet when he bends over to hold her, he reaches for the dagger and it is just inches from her hand, several feet away from where it was before.
During his fight with the Jade Warlord, the Silent Monk is injured on his right shoulder with blood seeping through his robe. At one hour twenty-two minutes and twenty-nine seconds, there is no blood but the wound returns in the next cut scene.
The silent Monk tells Jason they should attack "In two nights, when the moon will be darker." But later that night in the balcony scene with Jason and Golden Sparrow the moon is clearly waxing, and will be almost half full in two nights - brighter not darker.
As Ni Chang prepares to fire (should be shoot - fire is for guns) the arrow which hits Lu Yan, she places it on the wrong side of the bow. An arrow held as she positions it would rotate away from the bow as the bow is drawn.
The folklore associated with the Monkey King only has Five Finger Mountain, not Five Element Mountain. The mountain depicted in the movie is even shaped like five fingers. Hence Five Element Mountain is a mistranslation.
Jason, referring to the game Virtua Fighter 2 (1994), states that a character uses the "Buddha's Palm" technique. The only Virtua Fighter character that uses the move is Lei Fei. Lei Fei did not appear in the series until Virtua Fighter 4 (2002), and didn't get the "Buddha's Palm" move until Virtua Fighter 5 (2007).