Rolex might just want to put the newer 3285 movement into the BLNR or even the LN version, a crown logo will be place between the "SWISS MADE" under the six o clock marker for identify or differentiate the old and new movement. Some rumour even said the new BLNR will follow BLRO in which will come with Jubilee bracelet.
Sooner or later Rolex will also update the Submariner (LN, LB and LV) with the newer 3235 movement.
However, let's say LV is not in their "update list", the exact model will then be "discontinue" with 3135 movement, the theory could apply on BLNR too, if Rolex is not going to update the model, it will discontinue for sure.