Universal Tweaks consolidates various bugfixes and tweaks into a single solution for Minecraft 1.12.2.

All changes are toggleable via config files.

• Accurate Smooth Lighting: Improves the accuracy of smooth lighting by checking for suffocation and light opacity
• Attack Radius: Improves the attack radius of hostile mobs by checking the line of sight with raytracing
• Banner Bounding Box: Fixes rendering issues with banners by correctly sizing their render bounding boxes
• Block Fire: Prevents fire projectiles burning entities when blocking with shields
• Block Overlay: Fixes x-ray when standing in non-suffocating blocks
• Boat Riding Offset: Fixes entities glitching through the bottom of boats
• Chunk Saving: Fixes loading of outdated chunks to prevent duplications, deletions and data corruption
• Comparator Timing: Fixes inconsistent delays of comparators to prevent redstone timing issues
• Concurrent Entity AI Tasks: Replaces linked entity AI task sets with concurrent sets to avoid mod exception concerning entity AI
• Death Time: Fixes corrupted entities exceeding the allowed death time
• Depth Mask: Fixes entity and particle rendering issues by enabling depth buffer writing
• Destroy Entity Packets: Fixes lag caused by dead entities by sending additional packets when the player is not alive
• Dimension Change Player States: Fixes missing player states when changing dimensions by sending additional packets
• Disconnect Dupe: Fixes item dupes when players are dropping items and disconnecting
• Double Consumption: Fixes consuming an item having a chance of also consuming a second item without any animation
• Donkey/Mule Dupe: Fixes a duplication exploit connected to the inventories of donkeys and mules
• Elytra Deployment & Landing: Relocate elytra deployment and landing to client side to prevent issues with high latencies
• Entity Bounding Boxes: Saves entity bounding boxes to tags to prevent breakouts and suffocation
• Entity Desync: Fixes entity motion desyncs most notable with arrows and thrown items
• Entity ID: Fixes non-functional elytra firework boosting and guardian targeting if the entity ID is 0
• Entity NaN: Prevents corruption of entities caused by invalid health or damage values
• Entity Suffocation: Pushes entities out of blocks when growing up to prevent suffocation
• Entity Tracker: Fixes entity tracker to prevent client-sided desyncs when teleporting or changing dimensions
• Entity UUID: Changes UUIDs of loaded entities in case their UUIDs are already assigned (and removes log spam)
• Exhaustion: Fixes saturation depleting in peaceful mode
• Falling Block Entity Damage: Only damage living entities hit by falling blocks, prevents killing items and XP
• Faster Background Startup: Fixes slow background startup edge case caused by checking tooltips during the loading process
• Frustum Culling: Fixes invisible chunks in edge cases (small enclosed rooms at chunk borders)
• Help: Replaces the help command, sorts and reports broken commands
• Hopper Bounding Box: Slims down the hopper bounding box for easier access of nearby blocks
• Hopper Insert Safety Check: Prevents crashes when the destination tile entity becomes unavailable during the item insert process
• Horse Falling: Modifies falling logic of horses, listening to LivingFallEvent and taking jump boost into account
• Item Frame Void: Prevents voiding held items when right + left-clicking on an item frame simultaneously
• Ladder Flying Slowdown: Disables climbing movement when flying
• Locale: Prevents various crashes with Turkish locale
• Max Health: Corrects maximum player health on joining by setting the last saved health value
• Mining Glitch: Avoids the need for multiple mining attempts by sending additional movement packets
• Model Gap: Fixes transparent gaps in all 3D models of blocks and items
• Mount Desync: Fixes mounts and boats sometimes disappearing after dismounting
• Packet Size: Increases the packet size limit to account for large packets in modded environments
• Piston Progress: Properly saves the last state of pistons to tags
• Shear Mooshroom Dupe: Fixes a duplication exploit connected to shearing mooshrooms
• Skeleton Aim: Fixes skeletons not looking at their targets when strafing
• Tile Entity Map: Replaces the chunk position data table to prevent tile entity related issues
• Villager Mantle: Returns missing hoods to villager mantles

• AI Improvements: Replaces/removes entity AI for improved server performance
• Always Eat: Allows the consumption of food at any time, regardless of the hunger bar
• Armor Curve: Adjusts the armor scaling and degradation formulae for mobs and players
• Attributes: Sets custom ranges for entity attributes
• Auto Jump Replacement: Replaces auto jump with an increased step height (singleplayer only)
• Auto Save Interval: Configurable interval in ticks between world auto saves
• Auto Switch Tools: Switches the selected hotbar slot to a proper tool if required
• Bed Obstruction Replacement: Replaces bed obstruction checks with an improved version
• Better Burning
  • Fixes some edge cases where fire damage sources won't cause mobs to drop their cooked items
  • Allows skeletons to shoot flaming arrows when on fire (30% chance * regional difficulty)
  • If entities have fire resistance, they get extinguished right away when on fire
  • Allows fire to spread from entity to entity (30% chance * regional difficulty)
  • Prevents the fire animation overlay from being displayed when the player is immune to fire
• Better Harvest: Prevents breaking lower parts of sugar cane and cacti as well as unripe crops, unless sneaking
• Better Ignition: Enables ignition of entities by right-clicking instead of awkwardly lighting the block under them
• Better Placement: Removes the delay between placing blocks
• Block Dispenser: Allows dispensers to place blocks
• Block Hit Delay: Sets the delay in ticks between breaking blocks
• Boat Speed: Sets the acceleration value for controlling boats
• Bow Infinity Remedy: Bows enchanted with Infinity no longer require arrows
• Breakable Bedrock: Allows customizable mining of bedrock
• Burning Baby Zombies: Lets baby zombies burn in daylight as in Minecraft 1.13+
• Charged Creeper Spawning: Sets the chance for creepers to spawn charged
• Check Animated Models: Improves model load times by checking if an animated model exists before trying to load it
• Chunk Gen Limit: Limits maximum chunk generation per tick for improved server performance
• Copy World Seed: Enables clicking of /seed world seed in chat to copy to clipboard
• Crafting Cache: Adds an IRecipe cache to improve recipe performance in large modpacks
• Creeper Confetti: Replaces deadly creeper explosions with delightful confetti (with a configurable chance)
• Critical Arrow Damage: Sets the additional damage that critical arrows deal
• Custom Rarity: Sets custom rarities for items, affecting tooltip colors
• Custom Use Duration: Sets custom use durations for items like shields, affecting the maximum block time
• Damage Tilt: Restores feature to tilt the camera when damaged
• Damage Velocity: Enables the modification of damage sources that change the entity's velocity
• Default Difficulty: Sets the default difficulty for newly generated worlds
• Dimension Unload: Unloads dimensions not in use to free up resources
• Disable Audio Debug: Improves loading times by removing debug code for missing sounds and subtitles
• Disable Creeper Music Discs: Disables creepers dropping music discs when slain by skeletons
• Disable Fancy Missing Model: Improves rendering performance by removing the resource location text on missing models
• Disable Narrator: Disables the narrator functionality entirely
• Disable Sleeping: Disables skipping night by using a bed while making it still able to set spawn
• Disable Villager Trade Leveling: Disables leveling of villager careers, only allowing base level trades
• Disable Wither Targeting AI: Disables withers targeting animals
• Easy Breeding: Enables easy breeding of animals by tossing food on the ground
• End Portal Parallax: Re-implements parallax rendering of the end portal from 1.11 and older
• Fast Dye Blending: Replaces color lookup for sheep to check a predefined table rather than querying the recipe registry
• Fast Leaf Decay: Makes leaves decay faster when trees are chopped
• Fast Prefix Checking: Optimizes Forge's ID prefix checking and removes prefix warnings impacting load time
• Fast World Loading: Skips initial world chunk loading & garbage collection to speed up world loading
• Fence/Wall Jump: Allows the player to jump over fences and walls
• Finite Water: Prevents creation of infinite water sources outside of ocean and river biomes
• Growth Size: Configurable growth height/length for sugar cane, cacti and vines
• Hardcore Buckets: Prevents placing of liquid source blocks in the world
• Horizontal Collision Damage: Applies horizontal collision damage to the player akin to elytra collision
• Husk & Stray Spawning: Lets husks and strays spawn underground like regular zombies and skeletons
• Incurable Potions: Excludes potion effects from being curable with curative items like buckets of milk
• Infinite Music: Lets background music play continuously without delays
• Item Entities: Enables the modification of item entity properties
• Lenient Paths: Allows the creation of grass paths everywhere (beneath fence gates, trapdoors, ...)
• Lightning
  • Lightning Damage: Sets the damage lightning bolts deal to entities
  • Lightning Fire Ticks: Sets the duration in ticks lightning bolts set entities on fire
  • No Lightning Fire: Disables the creation of fire around lightning strikes
  • No Lightning Flash: Disables the flashing of skybox and ground brightness on lightning strikes
• Linear XP Amount: Sets the amount of XP needed for each level, effectively removing the increasing level scaling
• Load Sounds: Plays sounds when the game or the world are loaded
• Mending Overpowered: If mending fix is enabled, repairs entire damaged inventory with XP
• Mending: Only repairs damaged equipment with XP
• Mob Despawn Improvement: Mobs carrying picked up items will drop their equipment and despawn properly
• No Attack Cooldown: Disables the 1.9 combat update attack cooldown
• No Crafting Repair: Disables crafting recipes for repairing tools
• No Golems: Disables the manual creation of golems and withers
• No Leftover Breath Bottles: Disables dragon's breath from leaving off empty bottles when a stack is brewed with
• No Night Vision Flash: Disables the flashing effect when the night vision potion effect is about to run out
• No Potion Shift: Disables the inventory shift when potion effects are active
• No Redstone Lighting: Disables lighting of active redstone, repeaters, and comparators to improve performance
• No Saddled Wandering: Stops horses wandering around when saddled
• No Smelting XP: Disables the experience reward when smelting items in furnaces
• Offhand Improvement: Prevents placing offhand blocks when blocks or food are held in the mainhand
• Overlay Message Height: Sets the Y value of the overlay message (action bar), displayed for playing records etc.
• Pickup Notification: Displays highly configurable notifications when the player obtains or loses items
• Player Speed: Enables the modification of base and maximum player speeds along with fixing 'Player moved too quickly' messages
• Rabbit Killer Spawning: Configurable chance for rabbits to spawn as the killer bunny variant
• Rabbit Toast Spawning: Configurable chance for rabbits to spawn as the Toast variant
• Rally Health: Adds Bloodborne's Rally system to Minecraft, regain lost health when attacking back within the risk time
• Remove Realms Button: Removes the redundant Minecraft Realms button from the main menu
• Remove Recipe Book: Removes the recipe book button from GUIs
• Remove Snooper: Forcefully turns off the snooper and hides the snooper settings button from the options menu
• Sea Level: Sets the default height of the overworld's sea level
• Selected Item Tooltip Height: Sets the Y value of the selected item tooltip, displayed when held items are changed
• Shield Parry: Allows parrying of projectiles with shields
• Skip Credits: Skips the credits screen after the player goes through the end podium portal
• Skip Missing Registry Entries Screen: Automatically confirms the 'Missing Registry Entries' screen on world load
• Sleeping Time: Determines at which time of day sleeping is allowed in ticks (0 - 24000)
• Smooth Scrolling: Adds smooth scrolling to every in-game list
• Spawn Caps: Sets maximum spawning limits for different entity types
• Super Hot Torch: Enables one-time ignition of entities by hitting them with a torch
• Stronghold Replacement: Replaces stronghold generation with a safer variant
• Swing Through Grass: Allows hitting entities through grass instead of breaking it
• Tidy Chunk: Tidies newly generated chunks by removing scattered item entities
• Toast Control: Enables the control of toasts (pop-up text boxes)
• Toggle Cheats Button: Adds a button to the pause menu to toggle cheats
• Uncap FPS: Removes the hardcoded 30 FPS limit in screens like the main menu
• Undead Horses
  • Burning: Lets untamed undead horses burn in daylight
  • Taming: Allows taming of undead horses
• Water Fall Damage: Re-implements an improved version of pre-1.4 fall damage in water
• XP Bottle Amount: Sets the amount of experience spawned by bottles o' enchanting

• AbyssalCraft
  • Optimized Item Transport: Makes an optimization to reduce tick overhead of AbyssalCraft's item transport system
• Actually Additions
  • Duplication Fixes: Fixes various duplication exploits
• Advent of Ascension
  • Inventory-less GUI Compatibility: Fixes AoA player ticking in certain GUIs without player inventories (i.e. Flux Networks GUI)
• Arcane Archives
  • Duplication Fixes: Fixes various duplication exploits
• Blood Magic
  • Duplication Fixes: Fixes various duplication exploits
  • Optimized Hellfire Forge: Optimizes the Hellfire/Soul Forge to reduce tick time
  • World Unload Memory Leak Fix: Fixes memory leak related to unloading worlds/switching dimensions
• Binnie's Mods
  • Gather Windfall: Allows Forestry farms to pick up ExtraTrees fruit
• Biomes O' Plenty
  • Hot Spring Water: Fixes rapid inflection of regeneration effects in hot spring water
• Botania
  • Duplication Fixes: Fixes various duplication exploits
  • Fancy Skybox: Enables the Botania Garden of Glass skybox for custom dimensions
• Chisel
  • Duplication Fixes: Fixes various duplication exploits
• CoFH Core
  • Vorpal Enchantment Damage: Sets the damage multiplier of the Vorpal enchantment
• Chocolate Quest Repoured
  • Legacy Golden Feather: Restores the golden feather behavior from the original Better Dungeons mod
• Elementary Staffs
  • Electric Staff Port: Reintroduces the 1.5 electric staff behavior along with some subtle particles
• Elenai Dodge 2
  • Feathers Helper API Fix: Fixes server-sided crashes when the Feathers Helper API is utilized
  • Sprinting Integration: Configurable consumption of feathers when the player is sprinting
• Epic Siege Mod
  • Disable Digger AI Debug: Disables leftover debug logging inside the digger AI of the beta builds
• Extra Utilities 2
  • Duplication Fixes: Fixes various duplication exploits
• Forestry
  • Arborist Villager Trades: Adds custom emerald to germling trades to the arborist villager
  • Disable Bee Damage Armor Bypass: Disables damage caused by bees bypassing player armor
  • Duplication Fixes: Fixes various duplication exploits
  • Replanting Cocoa Beans: Allows Forestry farms to automatically replant cocoa beans
• IndustrialCraft 2
  • Duplication Fixes: Fixes various duplication exploits
• Industrial Foregoing
  • Duplication Fixes: Fixes various duplication exploits
• Infernal Mobs
  • Sticky Recall Compatibility: Enables compatibility between Infernal Mobs' Sticky effect and Capsule's Recall enchantment
  • Sticky Pedestal Compatibility: Enables compatibility between Infernal Mobs' Sticky effect and Reliquary's Pedestal
• Iron Backpacks
  • Duplication Fixes: Fixes various duplication exploits
• Item Stages
  • Ingredient Matching: Changes item matching code to CraftTweaker's ingredient matching system, fixes item NBT issues
• Mekanism
  • Duplication Fixes: Fixes various duplication exploits
• Mob Stages
  • Spawning Rules Fixes: Fixes mob replacement ignoring entity spawning rules
• Nether Chest
  • Duplication Fixes: Fixes various duplication exploits
• Netherrocks
  • Right Click Harvesting Fix: Prevents crashing with mods implementing right click crop harvesting
• NuclearCraft
  • Radiation Environment Map: Changes the data table of the radiation environment handler to improve performance
• ProjectRed
  • Duplication Fixes: Fixes various duplication exploits
• Quark
  • Duplication Fixes: Fixes various duplication exploits
• Roost
  • Early Register CT Chickens: Improves load time by registering CT chickens early for Roost to detect them
• Simple Difficulty
  • Iron Canteen Interaction Fix: Fixes the interaction of iron canteens with rain collectors
• Simply Jetpacks
  • Memory Leak Fix: Fixes a client-side memory leak associated with EntityPlayer
• Spice Of Life
  • Duplication Fixes: Fixes various duplication exploits
• Storage Drawers
  • Render Range: Approximate range in blocks at which drawers render contained items
• Tardis
  • Memory Leak Fix: Fixes a client-side memory leak associated with EntityPlayer
• Tech Reborn
  • Optimized Rolling Machine: Optimizes the Rolling Machine to reduce tick time
• Thaumcraft
  • Duplication Fixes: Fixes various duplication exploits
  • Firebat Particles: Adds particles to firebats similar to legacy versions
  • Flower Bounding Box: Fixes the bounding box always being at the center in both cinderpearls and shimmerleafs
  • Focus Effects
    • Revamps the cast sounds of certain focus effects to provide better variety
    • Adds impact sounds (like air or curse) to various focus effects that lack it
  • Focus Mediums: Makes several focus mediums play additional cast sounds to make them stand out more
  • Spiderlike Eldritch Crabs: Rotates dead eldritch crabs all the way like endermites, silverfish, and spiders
  • Stable Thaumometer: Stops the thaumometer from bobbing rapidly when using it to scan objects
  • Wisp Particles: Increases particle size of wisps similar to legacy versions
• Thaumic Wonders
  • Duplication Fixes: Fixes various duplication exploits
• The Erebus
  • Preserved Blocks Fix: Prevents HWYLA/TOP crashes with preserved blocks
• The Farlanders
  • Duplication Fixes: Fixes various duplication exploits
• Thermal Expansion
  • Duplication Fixes: Fixes various duplication exploits
  • Insolator Custom Monoculture: Adds Monoculture Cycle integration to desired phytogenic insolator recipes added by ModTweaker
• Tinkers' Construct
  • Duplication Fixes: Fixes various duplication exploits
  • Gaseous Fluids: Excludes gaseous fluids from being transferable via faucets
  • Material Blacklist: Hides tool/bow materials in the 'Materials and You' book
  • Offhand Shuriken: Suppresses special abilities of long swords and rapiers when shurikens are wielded in the offhand
  • Ore Dictionary Cache: Caches all ore dictionary smelting recipes to speed up game loading
  • Projectile Despawning: Despawns unbreakable projectiles faster to improve framerates
• Tiny Progressions
  • Duplication Fixes: Fixes various duplication exploits