When finishing creating something in the furnace, the texture itself and interface will remain "Switched On", not clearing the progress bar and the normal entity texture remaining lit up and on when there is no fuel as well.
Below are Links To Screenshots of what I am talking about
The furnace texture graphical bug stopped after I reput something back into it so it might just be the entity itself not block updating
Thank you for your report!
We're actually already tracking this issue at MCPE-63099, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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