The attached image shows the GUI with a grid texture. The red and blue grid is representing the overlay and the yellow and green one the item.
Found a problematic advancement.
Could you take a screenshot of the problem ?
Added a sample data pack with the same error.
Here is an example. It does not change with other functions/tags errors.
It's impossible because it does not load the world.
I have the same bug. Here is my configuration :
Windows 10, version 1803
Java build 1.8.0_111-b14
Sorry, Mandela effect.
It is not the place to make suggestion for Minecraft, this place is for issue tracking only. Do it on /r/minecraftsuggestions/ subreddit.
It doesn't make any sense to strip bark if it's already stripped from the block.
Confirmed in 1.16.3