What does this pack change?

This pack changes the following below:

• Inventory GUI
• Shulker Box GUI
• Single Chest GUI
• Double Chest GUI

Versions this pack works for:

• 1.16.x
• 1.17.x
• 1.18.x
• 1.19.x
• 1.20.x
• 1.21.x

If you are unsure what the ".x" stands for in 1.21.x or the others, it means that it's compatible for every version of 1.21 etc. 1.21.5, 1.21.7 and so on.