The Bug:

Applying bone meal to big dripleaf resets its tilt value.

Steps to Reproduce:

• Place down a big dripleaf.
• Stand on top of it.
• Quickly apply bone meal to it, whilst the leaf is tilted.
  →  Notice how the tilt value of the big dripleaf has reset back to "none".

Information:

This may be a, "Won't Fix" or a "WAI".