When using GeyserDisplayEntity, item display entities are rotated when viewed in the bedrock client. See attached images for examples.
To replicate, summon item display entity, like with the command /summon minecraft:item_display ~2 ~1 ~2 {item:{id:"minecraft:stone_brick_stairs"}}
GeyserDisplayEntity July 30, 2025 build
Geyser-Standalone 2.8.2-b897
Minecraft 1.21.8 Fabric verson 0.17.0
Java

Bedrock
