Raven might be friends with Cyborg and sometimes Raven gets annoyed by him, there was one Cybrae Episode Love Struck to pay respect to Cyborg x Raven fans altrough BBRae is already Canon
Times of Friendship
Thanksgiving: Raven prevents her dad to eat Cyborg so she goes on a battle with her own father
Hints of attraction
Love Struck: After the Break up with Beast Boy they instantly fall in love with each other.