When using armour stands/ area effect clouds inside structure blocks and rotating them, they will be placed the wrong way. But any blocks will be placed facing the wright way.

To recreate,

1. Place a structure block and save a structure with an entity in it.
2. Load the same structure rotated 90 degrees
3. The blocks will be the right way round and the entity will be the wrong way.

Expected behaviour
The entity will be facing the same way as the blocks.