Similar to MC-163045, the breaking animation still looks extremely weird and is mostly even invisible, but only when breaking something that consists of multiple blocks, like a bed or a double chest.
Linked issues
duplicates 1
Comments 2
Please create a new ticket if the issue persists in the next snapshot (presumably 19w42a).
FaRo1
That bug is fixed in a future version which is not released yet, as what is stated in the ticket (Fix Version/s: Future Version - 1.15+)