Great Big World 0.16.3+1.21.8
on Sep 22, 2025Core
- Backend improvements
Adventures
- Fix Wandering Trader still spawns in Overworld
The Alterworld
- Fix Cacti don't grow
Architect's Assembly
- Fix Durability doesn't show up in tooltips anymore
Flora & Fauna
- Fix Season tinting is broken in Alterworld
- Backend Season improvements
Great Big World 0.16.2+1.21.8
on Sep 16, 2025Architect's Assembly
- Glass Panes now drop a single Glass Shard when broken without Silk Touch
Flora & Fauna
- Fix Jungle Tree branches can generate extremely low on the trunk
- Fix Leaf particles are tinted incorrectly due to seasons in Overworld
- Fix Snow can still replace Rain visually in the Overworld during winter
Great Big World 0.16.1+1.21.8
on Sep 15, 2025Flora & Fauna
- Fix Snow can still replace Rain in the Overworld during winter
The Alterworld
- Fix Desert Temple Ancient portals hardly ever generate
- Fix Pillager Patrols can still spawn in Overworld
- Fix Ancient Portals in Desert Temple can generate cutoff
Great Big World 0.16.0+1.21.8
on Sep 14, 2025Relics & Ruins
- Add all planned Relic items
- These are highly unfinished & have no function outside of opening the Ancient Portal as of now
- Temple Structures now have 1 of 2 Relic items in their loot chests
- This will be adjusted/changed later
- Fix Temple structure tags are wrong
Swords & Shields
- Potions now stack to 4
- Meat food items now stack to 16
- Pie food items now stack to 1 (like Cakes)
The Alterworld
- Remove Ancient Bricks (will likely return in some format later)
- Fractured Portal frames in temples now use Reinforced Deepslate
- Fix Ancient Pedestals can be right-clicked with Relics even when lit
- Strongholds no longer generate in the Overworld
- Fix a missing block in Fractured Portals in Desert/Jungle temples
Great Big World 0.15.2+1.21.8
on Sep 11, 2025Adventures
- Add Skyblock World Type (wip)
- Fix Bonus house can sometimes fail to generate
- Fix Bonus house can sometimes generate in the air
- Fix Bonus house always "fails" generation when placed even though it actually doesn't
- Fix Bonus house torch can override chest
Core
- Structure Trigger UUIDs are now deterministic
- Slight improvements to Structure Trigger logic
- Fix Structure Triggers ticking when unloaded
Great Big World 0.15.1+1.21.8
on Sep 6, 2025Adventures
- Add option for Bonus House in Create World screen
Flora & Fauna
- Humus is now tillable like all other "grassy" groundcover blocks
- Slightly reduce mushroom density on fallen trees
- Fix light levels for Brown Mushroom/Sculk Shrieker
Swords & Shields
- Lower Monster Spawner light level to 4
Standalone Mods
- Bugfixes
Great Big World 0.15.0+1.21.8
on Sep 5, 2025Flora & Fauna
- Sculk Shriekers now give off a light level of 3
Swords & Shields
- Remove Slime merging due to issues
- Move white lightning flash to standalone mod here
- This mod is now embedded in GBW
The Alterworld
- Remove Ancient Totem block
- Move rotatable sculk to standalone mod here
- This mod is now embedded in GBW
Great Big World 0.14.7+1.21.8
on Sep 4, 2025Architect's Assembly
- Slight improvement to axe stripping/shovel pathing timings
Flora & Fauna
- Add random rotation to Nylium & Snow textures
Relics & Ruins
- Add Clocks to Mineshaft loot table
Swords & Shields
- Add white texture overlay to entities when struck by lightning
- Slimes can now merge at high velocities
- Knockback enchantment
- Falling from heights
The Alterworld
- Sculk Shriekers & Sensors are now rotatable
- Sculk Shriekers & Sensors now generate on all cave surfaces
- Slight backend Relic improvements for future
Great Big World 0.14.6+1.21.8
on Sep 2, 2025Core
- Clean up Structure Trigger GUI
- Fix order of selectable elements in structure trigger gui
- Fix Nether Portal forgetting previous dimension
Architect's Assembly
- Add Cracked Tuff Bricks
- Fix missing recipes for recent new blocks
- Fix Polished Blackstone Pillar models not rotating correctly in some directions
Flora & Fauna
- Fix placement sound when placing Snow in plants
Relics & Ruins
- Fix Cobblestone Brick Pillar models not rotating correctly in some directions
The Alterworld
- Relics can now be picked back up from Ancient Pedestals
- Ancient Pedestals now give a comparator output
- Ancient Pedestals now drop their Relic when broken
- Add a small particle effect when placing a Relic in Ancient Pedestals
Great Big World 0.14.5+1.21.8
on Sep 1, 2025Adventures
- Fix client-side gamerules do not sync upon client join
- Fix missing gamerule translations
Architect's Assembly
- Add Polished Blackstone Pillar & Chiseled Purpur Block for decoration
Flora & Fauna
- Add Season transition quality to Sodium options screen
- Fix leaves default state is waterlogged
The Alterworld
- Fix relic items (test relic) able to place Ancient Pedestal blocks
Great Big World 0.14.4+1.21.8
on Aug 31, 2025Core
- General improvements & overhaul to structure trigger system
- Fix structure trigger data not persisting across sessions
- Fix structure trigger screen data type starts uppercase & switches to lowercase on click
Adventures
- Add allowDebugHud gamerule (somewhat buggy)
Flora & Fauna
- Leaves can now be "snowy" like Grass blocks (and generate naturally like this in snowy biomes)
- Fix players jitteriness before entering Hollow Logs in survival
- Fix replacing snow-logged short grass with snow-loggable plants removes the snow
- Fix Seasons not tinting tintable falling leaf particles
Relics & Ruins
- Replace "Ancient Awoken" advancement with "A Great Big World", triggered when entering the Alterworld
- This is more consistent with other dimension entry advancements, and also allows players to hear the portal open (previously drowned out by advancement sound)
The Alterworld
- Oceans can now be slightly deeper to account for extended world depth
- Fix Redstone Ore generating as stone variant in Deepslate
- Fix Snow not generating on all layers of tree leaves in snowy biomes
- Fix many missing biome translations
Great Big World 0.14.3+1.21.8
on Aug 22, 2025Architect's Assembly
- Fix server issue related to Language
Great Big World 0.14.2+1.21.8
on Aug 21, 2025Core
- Fixed server loading
Great Big World 0.14.1+1.21.8
on Aug 21, 2025General
- Updated to 1.21.8
Core
- Added Mappings datapack system
- Maps ids to values
The Alterworld
- Alterworld/Overworld lava height is now defined by world_lava_heights mappings
- Extensible to other dimensions as well, making world lava height data-driven
Great Big World 0.14.0+1.21.5
on Aug 20, 2025Marking this as alpha due to server issues & 2 unfinished features: Ancient Totem blocks & test Relic item.
Core
- Add Structure Triggers, a new Jigsaw-like block to make structures more interactive to the world & player
- Add FastNoise density function & feature placement modifier (unused as of now)
- Add Ore Vein feature (unused as of now)
Flora & Fauna
- Tweak & fix Flower generation across biomes
- Add Scattered Redstone Ore type to all biomes
Relics & Ruins
- Ice Temples no longer generate in Deep Frozen Oceans
Swords & Shields
- Remove Netherite Upgrade Template from Bastion loot chests
The Alterworld
- Ancient City portal is now lightable via Ancient Pedestal block (see below)
- Place a relic item on each pedestal block to activate
- Added Ancient Pedestal block, found on top each of the Ancient City pedestals instead of waterlogged Sculk Sensors
- Removed chance for Ancient City pedestals to generate collapsed
- Lower world min height to -192
- New world height range is -192 to 320
- Adjusted Ancient City generation height for new world height
- Adjusted ore generation for new world height
- Added larger caves in deepest parts of the world
- Tweak & fix Flower generation across biomes
- Add Scattered Redstone Ore type to all biomes
- Add 2 advancements, Wonders of the World & Ancients Awoken
- Wonders of the World is unlocked by visiting all temple structures
- Ancients Awoken is unlocked by activating the Ancient Portal
- Fix Husk/Zombie dropping Carrots/Potatoes in Overworld
Great Big World 0.13.2+1.21.5
on Aug 4, 2025Core
- Enabled entity-block collision interaction modifications
Architect's Assembly
- Reimplement improved tooltips
- Fix searching variant items in creative inventory search tab
- Fix Red Ceiling painting Tooltip
Flora & Fauna
- Boats no longer collide with Lily Pads
- Lots of changes across biomes involving structures, features, and mob spawns
- Overall more in line with the goal of this project
Relics & Ruins
- Fix dyed pot items not rendering terracotta color
- Fix regular pot items rendering white
The Alterworld
- Fix Fractured Alterworld Portals spawning players in ground
- Add Alter- biome variants for all Overworld biomes
- These Alter biomes are mostly the same, but have additional spawns, features, and structures (more akin to Vanilla Minecraft)
- Added granite, andesite, diorite, geodes, copper, emerald, & structures back to Alterworld
- Reintroduce Witches to foresty/swampy biomes
- These Alter biomes are mostly the same, but have additional spawns, features, and structures (more akin to Vanilla Minecraft)
- Remove Mineshafts from Overworld
- Remove variant Wolves from Overworld
- Remove Wandering Traders from Overworld
- Remove Calcite from Overworld
- Skeletons/Zombies no longer convert to variants in Overworld
Great Big World 0.13.1+1.21.5
on Jul 31, 2025Architects Assembly
- Fix Spawn Egg & Pottery Sherd item display names
- Add step on sound to Copper Pressure Plates
- Slight optimization to Copper Pressure Plate mechanics
- Fix Cracked Glass location in creative inventory
- Reduce Iron tool durability to 451
- Reimplement improved item tooltips
- Fix unable to search item variants in creative inventory search tab
- Add Waxed Copper Pressure Plates
- Change Copper Pressure Plate mechanic
- Oxidization level affects pulse delay, not pulse length
- Remove broken Soul Lantern recipe
- Remove supporting multiple Torches in one block (broken unnecessary feature)
- Remove some unused assets & code
Flora & Fauna
- Season now only affect Alterworld dimension
- Add rabbits to Snowy Taiga
- Remove Sugar Cane from non-tropical biomes
- Fix Frozen River biome generation
- Remove Leaf Litter for now
- Remove Stripped Hollow Logs from Natural Blocks tab in creative inventory
Relics & Ruins
- Add Ice Temples, found in Frozen Peaks & Ice Spikes biomes
- Fix waterlogged block glitch in Swamp Pyramids
- Modify Jungle Temple loot table
- Add chance for Bundle to Temple & Mineshaft structure loot tables
- Add missing unique potions to Structures
- Slightly reduce Flint & Steel durability in Swamp Pyramids
Swords & Shields
- Creepers can now spawn on Leaves
The Alterworld
- Add alternate Taiga biome with Berries
- Add alternate Desert biome with Cactus Flowers
- Stop variant animals spawning in Overworld
- Fix variant river biomes not generating in Alterworld dimension
- Fix exposed Ancient portals in Jungle Temples
Great Big World 0.13.0+1.21.5
on Jul 27, 2025Core
- Add template models for use in each submod
Adventures
- Remove debug print messages
Architect's Assembly
- Added Copper Pressure Plates
- Send a pulse when stepping off
- Added textures for Cracked Glass
- Fix Cracked Glass mechanics
- Iron equipment recieved a durability boost
- Fix item frames deleting items
- Fix crash when placing maps in item frames
- Fix all item frames dropping regular variant
- Fix axe stripping slowing player movement
- Fix default item frame coloring
- Fix glass loot tables
- Fix desync with axe stripping/shovel pathing
- Remove debug print messages
Flora & Fauna
- Eyeblossoms are now stackable like other flowers
- Remove bamboo from Swamps
- Remove debug print messages
Relics & Ruins
- Add Ancient portal room to Swamp Pyramids (see The Alterworld changelog below)
- Add Fossils to all Overworld biomes except Mushroom Islands & Pale Gardens
- Deep Dark generates Fossils 2x as often
- Fix snow brick blocks requiring tool to mine
- Slightly strengthen snow bricks
- Remove snow bricks from pickaxe mineables
- Slight reduction in frequency of Swamp Pyramids
- Change Swamp Pyramid Skeleton spawner to Bogged spawner
The Alterworld
- Add The Alterworld dimension, a copy of the Overworld with all biomes
- This dimension will cater to a more explorative playstyle, while the Overworld will cater to a more classic, sandbox playstyle
- Add Ancient Mosaic (portal frame block)
- Add Ancient Portals to some Desert/Jungle Temples
- These portals disable & apply Planar Fracture effect upon entry
- Add Ancient Bricks (currently only obtainable via Archaeology)
- Add Planar Fracture effect (name subject to change)
- Special nonremovable effect that returns player to entry portal after time is up
- Ancient City portal can now be lit with Flint & Steel (method will change in the future)
- This is a permanent portal to the Alterworld
Great Big World 0.12.5+1.21.5
on May 14, 2025General
- Add MC version to file name
Adventures
- Slight increase to start hunger per-difficulty
- Fix world size of -1 (infinite) resulting in empty void worlds
Architect's Assembly
- Remove expandable item tooltips for now
- Pickaxe cracking is removed for now
Known Issues
- Dyed decorated pot crafting is somewhat broken
- Regular decorated pot item rendering is broken
Great Big World 0.12.4+1.21.4
on Feb 18, 2025Adventures
- Waking up after sleeping heals 20% of entity health (2 hearts for a normal player)
Core
- Fix crashes when Sodium installed
Flora & Fauna
- Fix compatibility with Visuality
- Add compabilitity with Particle Rain
- Sugar cane can now be placed next to Ice
- Fix issues when placing Tall Grass in Snow, or Snow in Tall Grass
Relics & Ruins
- Fix snow brick blocks loot tables
- Fix snow brick blocks hardness