CarbonSpigot 5.1.8

Added

• Added Material#isInteractable API.
• Added per-world foot-step and foot-step particles toggle.

Fixed

• Fixed ElitePets support.
• Fixed Fence and Cobblestone Wall collisions.
• Fixed Hopper and Player-Head collisions.
• Fixed falling through the floor upon first join for some clients.
• Fixed spawning at previous spawn/world spawn when first joining. (PlayerJoinEvent location delay)
• Fixed "hit-reg" or "ghost hits" bug, hits now properly register without any misses.
• Fixed rare player chunk glitches when being teleported.

Changed

• Straight Bow Boost will now behave like MMC, where you are knocked where you were looking when you shot the arrow initially.

Note: Please restart your servers to apply the update.

Highlights

• Added safer, configurable ender-pearl landing resolution.
• Improved client chunk replication and entity tracking reliability.
• Added compatibility fixes for Intave, ProtocolLib, and GrimAC.

Added

• Added smart ender-pearl landings through SETTINGS.GAMEPLAY.ENDER_PEARL.SMART_LANDING.
• Added Player#locale() and Player#setLocale(Locale).
• Added Adventure Audience#openBook support for 1.8 clients, including Adventure title, author, and page serialization.
• Added player.carbon().getPendingSave() API for plugins to know when player data saves.

Fixed

• Fixed client chunk resends replacing existing chunk columns in a way that orphaned entities.
• Fixed players and entities becoming invisible after chunk resends, including lighting and plugin-triggered full-chunk resends.
• Fixed queued chunk loads and unloads being mishandled when view-distance membership changed during delivery.
• Fixed a PlayerChunkMap memory leak and improved chunk-coordinate handling during player removal and view-distance updates.
• Fixed chunk unload queues not draining when world saving was disabled.
• Fixed entity tracker desyncs, pending-teleport spawn ordering, and invisible armor stand tracking.
• Fixed stale player entities remaining in world lists during respawn, which could cause duplicate damage ticks.
• Fixed instant respawn leaving the player's inventory open.
• Fixed cached block registry not iterating properly.
• Fixed GrimAC false positives.
• Fixed Intave and ProtocolLib compatibility issues involving legacy collision shapes, login packet ordering, packet sending, and reflective method discovery.
• Reworked NPC versus real-player detection so fake players are not handled as live players by the entity tracker.

Added

• Added ARMOR-DURABILITY-MULTIPLIER to tweak durability.
• Added a brand new Client Chunk Tracker, improving chunk load performance.

Changed

• Hand item is updated properly after consumption now. (Configurable in UPDATE-HAND-AFTER-CONSUME)
• Entity effects are properly cleared from ticking after tick completion.
• Plugins can now teleport a player after cancelling player death event.

Fixed

• Fixed CME in CarbonSlackScheduler.
• Fixed double consumption vanilla bug (Next item automatically consuming after one consume).
• Fixed action bar adventure component being stripped of format tags.
• Fixed respawned state (fire ticks, fall distance) not resetting after instant respawn.
• Fixed some entities being in a glitched state where they didn't get removed by /kill.
• Fixed fishing mechanics not working.
• Fixed ghost disconnects leaving player's entity in the server after disconnecting. (Fixes 'already logged in' error with Floodgate)
• Fixed armor durability obfuscation enacted regardless of config option.
• Fixed KEEP-SPAWN-LOADED-RANGE not working at all.
• Fixed chunks sometimes being invisible for players on fast movement or teleport.
• Fixed fake entities not appearing from some plugins due to stricter visibility checks.
• Fixed player appearing in a different position for others relative to your client's position.
• Fixed ProtocolLib causing CMEs for certain NMS features.

Added
- Brand new lighting engine, fully replacing the old system, fixing chunk light corruption, desyncs, and mismatches across chunk load and gen.
- New world-wide light & heightmap repair tool (`/carbon repairworldlight`) for fixing corrupted lighting on existing worlds, with discovery, status, and cancel controls.
- Brand new player chunk queue system, with safer/more stable chunk iteration and a grace period before unloading chunks.
- Tick interpolation for fishing rods for smoother rod movement.

Changed
- Improved knockback registration to match vanilla more closely.
- Improved fishing rod visuals.
- Improved hit detection and pvp-experience.
- `/carbon reload` now also reloads ``spigot.yml``, ``taco.yml,`` and ``paper.yml``.

Fixed
- Fixed thread contention that could cause hitches while saving chunks.
- Fixed chunk ticking causing massive sync-load spikes.
- Fixed chunks sometimes staying invisible to players until they manually refreshed.
- Fixed ghost blocks appearing after arena resets.
- Fixed cactus items dropping and then disappearing.
- Fixed projectiles instantly colliding with vehicles the shooter is riding in.
- Fixed players retaining item use when switching to spectator mode.
- Fixed the fishing rod trick not working.
- Fixed the Fire Spread Event API not firing.
- Fixed vanilla spawn protection not working when the OP list is empty.
- Fixed Adventure support for various plugin implementations.
- Fixed ProtocolLib causing packet delays and glitches.
- Fixed a crash related to tripwire hook block states.
- Fixed double placement sounds for ViaVersion-connected clients.
- Fixed ``/gamerule`` not working from command blocks or RCON.

Note: Please restart your servers to apply the update.

Added

• Added back the config option for TARGET-TPS.
• Added EntityDamageByEntityEvent#isCritical to track critical hits.
• Added back a config option for CRITICAL-DAMAGE-MULTIPLIER.
• Added a config option forBLOCKING-DAMAGE-REDUCTION.
• Added back the config option for PICKUP-DELAY.
• Added (and replaced FORCE-VOID-WORLD) config option to force a certain biome for entire world generation. (BIOME_TYPE). (Suggested by @quadflame)
• Added back config option for INSTANT-RESPAWN.
• Added combat profile changes logging (format configurable). (Suggested by @fxraz)
• Added config option to toggle chat logging in console and log files. (HIDE_CHAT_FROM_CONSOLE)
• Added config option to toggle .console_history file.
• Added back EXPERIMENTAL knockback type.
• Added an option to exempt WITHER from MOB-AI setting.

Fixed

• Fixed region files being closed twice.
• Fixed tile entity cast crash.
• Fixed server not shutting down properly due to NPE.
• Fixed chunk load lag created by Mob spawning and Vines ticking.
• Fixed player chunk packets being sent out of order.
• Fixed nether and end portals not working.
• Fixed item entities dancing around if you fly near them.
• Fixed PlayerDropItemEvent cancel causing illegal item stacks to form.
• Fixed relative coordinates not working with /teleport.
• Fixed mouse-delay fix causing interaction desyncs.
• Fixed mobs not moving or interacting regardless of MOB-AI option.
• Fixed fire ticks logic.
• Fixed taking damage when falling into water from certain heights.
• Fixed SkinsRestorer and FastLogin support.

Removed

• Removed COMPETITIVE knockback type

Added

• Added a config section called DEFAULT-GAMERULES to specify the default gamerule values. (settings.yml)
• Added a config option to toggle the announceAchievements gamerule globally. (ANNOUNCE-PLAYER-ACHIEVEMENTS)
• Added a separate config section called ENTITIES to toggle options related to entities.
• Added an option to toggle player collisions. (PLAYER-COLLISIONS)
• Added an option to toggle collision tick rate. (COLLISION-TICK-INTERVAL)

Fixed

• Fixed player attributes (movement speed, attack damage) not taking effect if FIX-SPRINT-DESYNC was off.
• Fixed throwable potions displaying particle effects at the wrong position.
• Fixed fishing rods checking collisions at the wrong position.
• Fixed player-data being saved regardless of the config option SAVE-PLAYER-DATA being false.
• Fixed invalid help arguments for the command /combat getDefault.

Added

• Added new combat system, where projectile settings, the knockback dealt by projectiles and knockback dealt by players are split into three sub types of a single profile. (/combat).
• Added per-world default combat profile support.
• Added per world configuration for various world relation options.
• Added asynchronous chunk generation, allows for new chunks to be generated and populated off-thread.
• Added asynchronous chunk unloading to prevent chunk unloading from causing any sort of lag.
• Added asynchronous lighting engine, allows for chunks to be lit without causing any lag.
• Added asynchronous keep-alive to keep player's connections unaffected by server's main thread performance.
• Added built-in spark forked for carbon, resulting in better integration rather than just downloading the plugin.
• Added built-in bungeeguard to allow server owners to setup proxy security easily.
• Added anti-malware system that scans plugins folder on startup for SKYRAGE and HOSTFLOW and also attempts to remove them.
• Added /serverproperty command to change server properties in-game.
• Added /locate command to locate certain biomes or structures.
• Added ray-trace interpolation to resolve ghost hits from various projectiles. (Fixes rods/arrows going through players sometimes)
• Added health and item attributes obfuscation to prevent other players from using mods to find out your health/item attributes.
• Added lag-assisted hit detection that interpolates the target's position up to a certain limit to ensure ping does not worsen player hit detection.
• Added parallelized entity-tracker that is very performant, light weight and stable.
• Added vertical-range configuration for entity-tracker.
• Added sentry error logging support to tracker plugin errors.
• Added legacy XP handling, Anvil and Enchantment support.
• Added new raytracing engine to optimize CPU and memory usage.
• Added optimized explosions by caching various calculations.
• Added new and improved cps-limiter that ignores all hits above a certain value.
• Added lag compensation for eating/drinking and breaking blocks.
• Added a watchdog module for netty threads.
• Added a built-in CPU profiler that profiles CPU usage. (/carbon startprofiling)
• Added configuration to toggle saving chunks, useful for mini-game servers.
• Added configuration to toggle overriding spark-tps command.
• Added configuration to change player-interaction-range, this is an attribute in modern versions.
• Added configuration to toggle footstep sounds and particles to prevent lag.
• Added configuration to toggle player data saving, statistics and scoreboard saving.
• Added configuration to toggle packets being processed at start or end of the tick.

Fixed

• Fixed double hit bug, where players could bypass damage ticks to hit players.
• Fixed collision boxes, when trying to hit other entities when riding an entity.
• Fixed suffocation bug, where players would fall faster if they took suffocation damage.
• Fixed various crashes, caused by invalid velocity or movement values.
• Fixed potion effects having amplifiers greater than 127 not saving properly.
• Fixed eat-sprint bug, where players could run while consuming or using an item.
• Fixed durability desync bug, where the held item appears out of sync with it's actual durability.
• Fixed mouse delay/desync bug, where the player's current yaw/pitch aren't utilized when raytracing for item use.
• Fixed hand item attribute desync bug, where the held item's attributes aren't applied upon hotbar switch instantly.
• Fixed fly-toggle bug, where players wouldn't start flying when plugins set them as flying unless they double jump. (Configurable)
• Fixed ghost lava/water bug, where lava or water blocks would appear visually on the client when they aren't on the server.
• Fixed block hit cancel bug, where if you try to drop your sword while blocking and the drop was cancelled, you would stop blocking anyways.
• Fixed sprint desyncm where the client sprint state does not match the server sprint state, resulting in worse knockback. (Credits: Beanes)
• Fixed player visibility bugm where sometimes the viewer couldn't see a target after teleporting to them.
• Fixed broken clientside players, where sometimes the viewer would see the player spawned in a broken state with their head rotation glitching out.
• Fixed Multiverse crash exploit.
• Fixed ArrayIndexOutOfBoundsException crash exploit when sending an invalid packet for Crafting Tables.
• Fixed Sign parsing crash exploit.
• Fixed Console error spam exploit.
• Fixed

Changed

• Faster library loading system, where libraries are downloaded directly from global maven repositories.
• Automatic patching system for FAWE, Citizens and ProtocolLib for incompatible versions.
• Updated netty version to 4.1.121.Final.
• Updated log4j version to 2.20.0.
• Moved slf4j to API module for developer usage.
• Backported 1.21+ RegionFile and RegionFileCache, along with header recalculation and .mcc file support.
• ALTERNATE-HIT-DETECTION and DYNAMIC-HIT-DETECTION are now under a single option called MAX-INTERACTION-DISTANCE.
• Optimized lag caused by suffocation being checked every tick.
• Optimized various chunk calls to prevent unnecessary chunk loads.
• All projectiles are re-encoded with their packet positions to be accurate with the client positions.
• Improved fishing rod hit detection and throwing.
• Moved non-essential tick tasks to an async slack scheduler (Time updates, Keepalive, Ping updates).
• Optimized netty by batching packet writes and preventing wakeup for non-essential packets.
• Optimized chunk ticking algorithm, reducing all extra lag caused by chunk ticking.
• Optimized activation range ticking.
• /gamerule is now per-world, and will set rules per-world.
• Optimized block property cache by backporting Moonrise's optimization.

Added

• Added more Book exploit patches

Changed

• Completely recoded carbon config (new file name is settings.yml)
• Removed License.yml, license field is now in settings.yml
• Fixed pearl/potion settings saving issues
• Fixed chunk loading issues with low render distance
• Fixed lava ticking damage
• Turned off verbose in console as default for paper and spigot (Cleaned up console)
• Turned off Player interaction limit, as spamming lava/water for build-uhc breaks
• Only fire InventoryCloseEvent if inventory is open
• Fixed EquipmentSetEvent being called in an invalid state
• Improved RegionFile cache
• Fix entities other than players throwing an error and despawning when they attack a player.
• Migrate certain collections to FastUtil
• Improve EventBus performance
• Improve code quality by correctly assigning generics
• Removed unused mojang code
• Add a new malware to malware detection
• Migrate log filter to a separate method
• Fix TPS command memory calculation
• Knockback is now based on the attacker's profile
• Changed Float usages to Double in pearl/potion config
  
  

NOTE:  Use java 8 OR use -noverify in JVM arguments and turn off event bus optimization in configuration (OBF Relate)

Added

• Made ArmAnimationEvent toggleable in config because it helps with delays in pvp
• Made pvp and hit detection smoother

Fixed

• Fixed straight bow boosting
• Fixed all plugins (that used PlayerVelocityEvent) that didn't work
• Fixed EquipmentSetEvent
• Fixed hit & rod switch trick's damage ticks
• Fixed double hit bug completely
• Improved hit detection generally
• Fixed ServerSidePlugin null pointer
• Fixed "Open Inventory" acheivement and popup broken

Fixed

• Knockback profiles being reset on restart
  

Added

• An option called "improved-mouse-tracking" where original yaw values are used for players

Fixed

• Fixed Login Crashes
• Completely re-did the knockback registry to improve plugin support
• Applied an experimental fix to "double hit combo bug"
• Fixed projectile kb not working on players
• Fixed Citizens not working for strikepractice bots
• Cleaned up code for commands
• Debug changes

Added

• Added an option "alternative-hit-detection" to enable better server-side hit detection

Fixed

• Fixed server-side crash when connecting to the server with bungeecord on
• OBF Related Issues for Knockback API (player#carbon knockback methods)

NOTE:  Use java 8 OR use -noverify in JVM arguments and turn off event bus optimization in configuration (OBF Related)

Fixed

• Fixed console spam from tab-completion
• Fixed "Bukkit.getOnlinePlayers()[]" not being a method
• Fixed Knockback Profiles (Expert, Explicit) not having their values loaded
  
  

Added

• Added back Expert knockback profile
• Added new knockback type "Explicit"
• Added MMC mode for Pearls

Fixed

• Fixed NPE in LoginListener while disconnecting
• Fixed Citizens not working properly
• Fixed performance issues with chunk loading
• Fixed 1.7 random crashes
• Fixed Entity Hider flickering with teleporting
• Invalid direction while teleporting with KarhuAC on

Removed

• Removed Async Chunk Generation & Loading
• Removed Async Entity Tracking
• Removed Parallel World Ticking

Added

• Backported Async Chunk Generation and loading (Paper 1.13.2)
• Backported EntityZapEvent
• Added Async Entity Tracking (w/ Configuration)
• Added Async World Ticking (w/ Configuration)
• Added "expanded-ray-trace" option for better potion
• Added "no-check-rogue-arm-swings" option for better hit detection
• Added "fix-armor-damage" option to prevent too much damage with rod-switching trick

Fixed/Changed

• Fixed MethodProfiler leftovers causing NPEs
• Fixed Null check for nms code
• Fixed double hit bug (v69)
• Fixed LogFilter not working properly
• Fixed ConcurrentModificationException in Chunk code
• Cleaned up all disconnection messages in console
• Fixed show-ip option not working properly for disconnectione errors
• Restored OG carbon knockback system
• Fixed Verus missing method
• Fixed pearls and potions not saving properly
• Fixed Typos in commands
• Recoded Entity Tracker

Removed

• Async-Checker configuration
• Async Hit detection (Doesn't do anything, in ALL spigots that claim to have it)
• Async Knockback detection (All other spigots have it placebo, actual async kb is just terrible)
• An option to disable queue system of Network Manager (Terrible Idea)

Note: Use flag -noverify to add support for java 11 and higher. (Obfuscation related)

Fixed/Changed

• Reverted ChunkIO executor changes (added back chunki-io thread config)
• Removed Async Knockback and Hit Detection (They didn't do much.)
• Fixed Null Pointers for MethodProfiler missing
• Fixed "Failed to handle Packet" errors
• Fixed Double Hit Bug that was re-introduced in the previous version
• Fixed LogFilter not working properly

 Added

• AsyncTabCompleteEvent & made tab completion asynchronous
• Backported 1.13+ Console with minecrell's TerminalConsoleAppender
• Backported Support for default UTF-8, Colors and Async Tab Completion  for console
• Backported Async Logging by Paper

 Fixed/Changed

• Obfuscation issues with accessing Bukkit-API and NMS classes
• Only apply knockback to players, not entities
• Fixed Detailed's Y-limit and vertical knockback being funky
• Fixed PluginsCommand formatting
• Fixed Vulcan Anti-Cheat support
• Fixed Default Plugin Command format option not working fully
• Fixed PacketAPI not initialized
• Fixed HamsterAPI support apparently? (Not entirely sure)
• Optimize BlockBreakAnimation packet
• Fix Chunk Unloading being laggy and slow because of wrong Data Structure

     Added

• Optimized Arm Swings (Configurable)
• Added PacketFilter to prevent crashes and exploits (Configurable)
• Added Custom Thread factory for Carbon
• Added Custom Configuration API
• Add an option to removing locking and queue system from network
• Change Sets to LinkedList to optimize performance
• Added /smh and /cry command as siblings to /shrug
• 1.13 Backports of Paper's AuthLib, Netty, UserCache and Events (API)
• 1.13 Backport of ServerListPingEvent and Network/Status Client
• Added an option to Detailed called direction which moves player in direction of attacker
• Added comments to all knockback profiles for documentation
• Added configuration to change verison message
• Added an option to toggle on default paper plugins message format

     Fixed/Changed

• Rename method in RegionFileCache
• Removing DeadLocks for DataWatcher
• Recoded EventBus Optimizations and Added it back
• Only enable chunk settings as default that don't have issues
• Fixed Rounding calculation error for Position in EntityTracker (Thanks to JT For this)
• Remove PacketPlayInPosition & PacketPlayInFlying being registered Async
• Revert Guava update (Back to 18.0)
• Fixed StackOverflow Error when doing player#setVelocity in PlayerVelocityEvent
• Remove disguise API and its usages
• Fix Verus reflection breaking due to field rename
• Fixed Chat Component Exploit & make it configurable
• Fixed Book Payload Exploits & make it configurable
• Fixed PacketHandler sent packets method not doing anything
• Update SnakeYML to fix DoS Exploit
• Add warning for JDK-8 handles in config for event bus
• Fixed Typos in Config comments
• Fix bukkit using names instead of uuids for Metadata Store
• Recoded Packet and Movement Handlers
• Add warning for chunk concurrency in async-checker
• Fixed Kohi KB Fix not working at all, breaking knockback
• Improve and recode commands
• Cleanup config and remove useless options
• Fixed Pearls and Potion settings not saving
• Fixed ConcurrentModificationException reported by LightSpark
• Only allow carbon's kb packets async
• Fixed KickSpam option not working
• Mute PacketEvents unhandled stacktrace
• Improve KeepAlive and send metada update to all players
• Remove all MethodProfiler calls (Deprecated)
• Fix ServerTickEvents not doing anything
• Recoded Detailed Type's Y-Limit system
• Remove ChunkIO configuration
• Fixed BlockHitGlitch (Thanks JT)

Refer to our discord for KnockbackAPI related changes.

NOTE:  If you want to use java 11 and higher, add "-noverify" flag before "-jar" flag, its because of obfuscation issues.