Retrogeneration
Waychest’s world was fully generated in Minecraft 1.20.4. To include newly released Minecraft content without resetting the map, features are retroactively added to the world after updates where possible.
1.21: Trial Chambers
Minecraft 1.21 added trial chambers.
Trial chambers were added to Waychest’s world at the same frequency as vanilla. However, they were placed considering the inhabited time of the world around them.
Trial chambers were not added to any chunk that was loaded in mob-spawning radius for more than 1 minute at the time of the 1.21 update. If a trial chamber would have been placed in a chunk that was loaded for more than 1 minute, it was placed elsewhere nearby instead.
Locating a retrogenerated trial chamber is identical to vanilla. Cartographer villagers have a chance to trade a Trial Explorer Map at their third level of trades.
1.20.6: Armadillos and Wolf Variants
Minecraft 1.20.6 added armadillos, and modified wolves to have a different texture based on the biome they spawned in.
Armadillos
Armadillos spawned into the world in 1.20.6 following spawn rules used by vanilla world-generation.
Wolf Variants
In 1.20.6, all untamed wolves from 1.20.4 were removed from the world. Then, new wolves spawned into the world following spawn rules used by vanilla world-generation.