[MC-127825] Cobblestone can`t melt to stone

I come to my survival and first to do is to melt cobblestone to stone and when i came back and look in furnace i look that cobblestone can`t melt and i want you to fix that bug.

Linked issues

duplicates 1

MC-125182 Block Entities are not upgraded properly when upgrading from 1.12.2 Resolved

Comments 2

tryashtar 2018-04-01T19:43:25Z

Sounds like you opened an old world? If so this is MC-125182

Marko 2018-04-02T12:08:41Z

How do you mean old world. This bug is on last snapshot 18w11a. And also I use a T launcher 2.23 beta because for some reason on Mojang launcher when I come to world the FPS i running
1-2 FPS