Testing out the new 64-bit seed parity.  The biomes and mountains line up well enough, but the structures are off.  Testing with seed 5446408133286986968 which, on Java, has a woodland mansion within 1000 blocks of spawn (around 456, -504), does not have a similar structure on Bedrock.  While small structures (such as trees and mushrooms being off) is reasonable, it seems very odd that large structures such as guardian temples, and woodland mansions are not aligned.