[MC-131796] Minecraft custom resource pack has issues

Mod Notice

Resource pack changes in 1.13-pre3

The resource pack folder "textures/blocks" got renamed to "textures/block".
The resource pack folder "textures/items" got renamed to "textures/item".
Blockstate files
- "normal" for blocks without block states changed to an empty string ("").
- Item Frames now have "map=false" instead of "normal" and "map=true" instead of "map".
- Model references no longer start at the "models/block/" folder, but instead at "models/".

Using Linux ubuntu 18.04 I have a texture pack I made just for Minecraft 1.13. I have been working on it and it works fine in pre release 2. Pre release 3 however I got missing textures in the overworld but the texture still shows up on my inventory. It might be something to do with the optimization. I included my texture pack