World 1.8.9

Shows your Y level plus the map's build ceiling/floor, with in-world planes marking where you cannot build.

Draws the current chunk boundary in the world.

A compass strip across the screen that slides as you turn, with N / E / S / W and a marker for where you face.

Applies a client-side time preference.

Shows primed TNT fuse timers as nametags above TNT entities.

Stores simple local waypoints.

Makes the world look clear, rainy, snowy or stormy for you only. The server's weather is not changed.