Note that Amidst calls the biome south of the Roofed Forest M where spawn is located a Birch Forest M.
In the Wiki for Birch Forest it is noted that in the 1.13 snapshots Birch Forest M and Birch Forest Hills M were renamed.
Renamed Birch Forest M to Mutated Birch Forest.
Renamed Birch Forest Hills M to Mutated Birch Forest Hills.
Renamed Mutated Birch Forest to Tall Birch Forest.
Renamed Mutated Birch Forest Hills to Tall Birch Hills.
Changed the ID mutated_birch_forest to tall_birch_forest.
Changed the ID mutated_birch_forest_hills to tall_birch_hills.
Rollback Post to RevisionRollBack
There are no dangerous weapons. There are only dangerous people. R.A. Heinlein
If you aren't part of the solution, then you obviously weren't properly dissolved.