Here is the Changelog / Release Notes translated into English:

📜 Changelog — SonoraMod

🚀 Progression Level & Worldgen Updates

💎 New Progression Tier & Ores

• Echo Ore (overworld_echo_ore): Added to the Overworld (generating between Y: 27 and Y: 36). Serves as the initial entry point for the mod's progression.

• Harmonic Ore (harmonic_ore): Added as a common ore in the Crystal Valley biome (replaces Stone and End Stone).

• Silent Ore (silent_ore): Added as a rare ore (rareOrePlacement) exclusive to the Silent Plains.

• Memory Geode (dimension_geode_ore): Geodes integrated into dimension/biome world generation.

🏞️ Biomes & Ambience

🌌 crystal_valley (Crystal Valley)

• Magical Atmosphere: Added ambient particles featuring floating lights (END_ROD) and enchanting glyphs (ENCHANT).

• Audio & Music: Added background wind chime ambience and custom music (CRYSTAL_WIND_CHIMES).

• Vegetation & Underground Structures: Amethyst geodes, glow lichen, spore blossoms, and glowing cave vines generate naturally below ground.

• Ore Generation: Primary source for Harmonic Ore.

• Fauna/Mobs: Spawns the custom ECO_ERRANTE mob.

🌫️ silent_plains (Silent Plains)

• Hostile Environment: Features desaturated grass and foliage, very dense grey fog, and falling ash particles (WHITE_ASH).

• Eerie Silence: Completely stripped of background music and ambient sounds (BackgroundMusic.EMPTY).

• High Danger: Increased spawn rates for hostile mobs (Zombies, Skeletons, Spiders, Creepers, and Endermen).

• Resource Generation: Exclusive access to Silent Ore and Silent Wood tree placements.

🌳 Trees & Vegetation

• Resonant Wood / Silent Wood: Added custom tree generation featuring RESONANT_LOG trunks and CRYSTAL_LEAVES with placement rates adjusted per biome.

🛠️ Technical & Modifiers

• WorldGen Refactor: Added new ModConfiguredFeatures, ModPlacedFeatures, and ModBiomeModifiers built for NeoForge.

• Biome Tags: Implemented the has_geode_ore tag to map dynamic biome modifiers directly to custom dimension biomes.