Mojang recently introduced a brand new F3 debug screen for Minecraft Java Edition in the latest snapshot 25w31a. This snapshot is part of the upcoming game drop that will release sometime in the fall.

These tooltips can display things like an item's durability or an ID within Minecraft's code. Additional settings can be activated along the same lines that animate debugging visuals for hitboxes, ...

You can see chunk borders in Minecraft: Java Edition by pressing the F3 and G keys at the same time. A multicolored grid will appear around the chunk you're standing in, and it'll follow you as you ...