The nether waste biome are too common in the nether, making the player to find the new biomes.
How To Reproduce:-
Step 1:- Create a new world.
Step 2:- Go far away from the world spawn.
Step 3:- Create a Nether Portal.
Step 4:- Enter the Nether Portal.
The Biome generated when entering the portal is the Nether Waste Biome.
The new biomes introduced should generate which makes the Nether Waste Biome rare.
• It didn't generate Nether Waste Biome.
• I can't reproduce this.
Hoping this information is helpful to fix the bug.