noteblock bug

[Ryx1024]

It is about Noteblock.
While making music with Noteblock, I noticed something strange.
Even if you put a noteblock on a gold block or bone block, the sound does not change.
In vanilla 1.12, the sound has changed. Block of Gold is Bell, Bone Block is xylophone, Packed Ice is Chime, Clay is Flute, Wool is Guitar. Yet, it does not happen in Forge. I do not put a resource pack or Mod. Is this a bug? I also tried restart but it was useless.
Thank you.

(Because of machine translation from Japanese, there may be some errors in the sentences)

[Choonster]

This is a known issue. There's a Pull Request open to fix this, but it hasn't been merged yet.

Edited June 21, 2017 by Choonster

[Ryx1024]

Oh really...
I understand. I will wait for the solution.
Thank you for your answer.

[Choonster]

The PR has been merged, update to Forge 1.12-14.21.0.2342.