jumbles of weird code/colors with new items

weird jumbles of codes and colors with new items

planned to use new stained glass and flowers

when i put them in my hotbar everything was fine. when i put them in my hand everything went crazy. image 1 any new item. image 2 with poppy in hotbar. image 3 with poppy in hand.

Steps to Reproduce:
1. put a new item (poppy, purple stained glass etc)
2. put it in your hand
3. watch what happens