﻿Biome preview sources (compressed to 144x144 palette PNG; originals not shipped)

Compression pipeline (tools/recompress_biome_previews.py):
  FASTOCTREE 128-color palette + PNG optimize + oxipng lossless

Shipped packs:
  BYG / Oh The Biomes You'll Go (~76)
  Regions Unexplored (~71)
  Biomes O' Plenty (~153 incl. 1.18 id aliases) — Fandom wiki pageimages
  Wythers / WWOO / WWEE (~188 under wythers/) — name-matched + heuristics
    Namespace aliases: wythers, wwoo, expanded_ecosphere, wwee
  Vanilla-ish fallbacks in biome_previews/*.png

Fetcher tools:
  tools/fetch_biome_previews.py
  tools/fetch_bop_wythers_previews.py
  tools/recompress_biome_previews.py
