Two are available.
Rev 1 has a later date than Rev 3.
Looking in each manual is no help either. One show Initial public release in 2018, the other shows Initial public release of 2022.
Both dates can't be true.
It depends on the product you are using. You can see that they are for different product, which part number are you using ?
Details you can see https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/i-mx-rt-crossover-...