Still an issue in 19w44a
Can confirm, this is still an issue in 19w41a
I have found another strange rendering behavior with the new honey block as well as the slime block.
I tried testing with other transparent blocks (such as glass), and found even stranger behavior with how it interacts with the transparent and non-transparent parts of the texture
(Please see above screenshot)
I have added a screenshot. If you look closely at the water rendered behind the block in my hand, you can see that there is no water... Additionally, some sides of the block are more transparent than others depending on how your camera is angled.
(I have only noticed these issued while in third person)
I have the same issue (in 19w41a), and have attached a screenshot i took
still an issue in 19w46a