In Bedrock 1.13 (and 1.14 for (legacy) custom skins) equipping a cape and then an Elytra will use the Cape's Elytra texture. (Reposted so image is easier to see) : r/Minecraft
Marc Jones on X: "Capes! The capes and their use for elytra is possible with Minecraft Persona in #Minecraft 1.13.0.9. However, they cannot be added to custom Persona Packs, since each cape
Sprintermax on X: "Someone knows if that is true? I know that Veteran Capes are leaked, but the designs I am not 100% sure... I would have the alpha cape if the