Java Edition Light grey glass panes are almost invisible in the inventory. This pack makes them more visible. It only changes the texture in your
Alacrity Texture Pack 1.20, 1.20.4 → 1.19.4 - Download
Fixed Smooth Stone - Java Minecraft Texture Pack
1.8 Consistent Calcium Minecraft Texture Pack
Blood Moon - Java Minecraft Texture Pack
Better Glass Panes - Gallery
Clear Glass Minecraft Texture Pack
1.8 Consistent Foods/Crops Minecraft Texture Pack
Prismarine Extended - Java Minecraft Texture Pack
1.8 Consistent Tools Minecraft Texture Pack
Probably not the first, but I found out that light gray stained glass panes are invisible in inventory : r/Minecraft
Panes Minecraft Texture Packs
1.8 Crying Ghasts Minecraft Texture Pack
New UI on Java Minecraft Texture Pack
Panes Minecraft Texture Packs
List of Minecraft 1.20.3 Resource Packs