When looking at an End Portal Block (Item ID 119) from above, you will see its proper portal texture. However, when looking underneath the block, you cannot actually see the portal.
MC-48229
End Portal Block Missing Texture
Resolved
Duplicate
0
Fraser
(Unassigned)
Unconfirmed
Minecraft 1.7.4, Minecraft 14w04b, Minecraft 14w05b, Minecraft 14w06a, Minecraft 14w06b
Retrieved
As these two images show: The bug is not resolved and is still there in 15w31c.
Not shure if anyone watches this issue any more or if I would have to create a new (duplicate) issue...