Fixed the download link.

Less false flags

• Bouncing on slime/honey blocks
• Sprinting up stairs and slabs
• Speed/Jump Boost potions wearing off
• Levitation, Slow Falling, and Riptide ending
• Knockback no longer pads NoFall distance
• Criticals with Feather Falling boots
• Fly hover when stepping or jumping off blocks
• NoClip violations no longer stick after one false trigger
• Phase corner re-entry can't slip through silently

Catches more cheats

• LiquidBounce fly/speed modules (Hypixel, Vulcan, Matrix, Verus, AirWalk)
• FastBreak: catches cheats on the first block, no warm-up needed
• FastBreak: also catches "just-faster-than-vanilla" mining over 7-9 blocks
• Subtle timer abuse (1.02-1.04x)
• AutoClicker bot patterns held over 30 seconds
• AimAssist micro-corrections and snap aim
• KillAura while mob farming, and single-axis-extreme angles
• Boat Fly and Elytra hover tightened
• FastPlace stricter at high ping
• Anti-knockback (Velocity) stricter, including vertical
• Sustained slow-drip Speed cheats (1.5%+ over the limit)
• Movement physics deviations spotted faster
• Lava walking with Fire Resistance
• Combat aim prediction on predictable targets
• Malformed packet attempts are tracked, not swallowed
• NoClip stricter at high ping
• Ground spoof on descending stairs no longer free

Setback

• Faster reset (350ms)
• On by default for Fly, Speed, Step, NoClip, Jesus, Phase, Spider, GroundSpoof, NoSlow, Strider, BoatFly, Strafe
• Velocity and fall distance reset on teleport
• Use ALL in setback.types to cover every violation

Web panel

• Chinese (zh-CN) language toggle
• Custom Commands setting now actually saves
• Threshold values bounds-checked so admins can't accidentally disable detection

Fixes

• Fewer false flags on killaura rotation, protocol, groundspoof
• Killaura rotation no longer flags PvE / mob combat

New

• Setback action: tp flagged players to last legit spot
• Custom command action: run any console cmd on flag, per confidence
• op_detect_only: ops/bypass log but no punish
• Horizontal-fly detector (off by default, still tuning)

Tweaks

• Tighter killaura: rotation valve closed, cooldown gate dropped
• More checks exempt bedrock, gliders, swimmers, post-teleport
• Plugin updates auto-merge new config keys into your existing config.yml

• New AI layer on every flag, nudges confidence up or down from kNN and online logistic regression trained on your labels
• New AI live feed, see each decision with verdict, neighbour dots, agreement bar, probability donut
• New Learned weights panel, shows which features the AI trusts per check
• New mass-FP detector, proposes suppression rules you approve with one click
• New account system, one login for forums and the dashboard
• New pairing flow, requires a free account so servers survive cookie clears
• Already signed in? Pair auto-links to your account, nothing else to click
• Existing browser-only servers auto-merge into your account the moment you sign in
• Recovery codes issued at pair time as a backup
• Flags now carry 30+ features, a replay window and a session summary
• Plugin now syncs instantly after pair instead of waiting 10 seconds
• Settings page gained AI, FP filter, Replay, Ping compensation, Bedrock, per-check severity sliders
• Hourly chart now shows am/pm at 6h intervals
• Account reminder banner for browser-only paired servers
• New config paths: ai.enabled, ai.max_adjustment, ai.min_agreement, ai.verdict_ttl_seconds, ai.send_features

Language fixes, more elytra fixes, dashboard polish:

• New force_server_language option, makes everyone see the server's chosen language instead of their own client locale
• GUI menus, item names and lores now actually translate
• Replay viewer, staff alerts, web pair messages and join notices now translate too
• Jesus, NoClip packet check and Protocol check stop firing during elytra flight
• Firework rocket use is now tracked so every check sees the boost grace window
• Run now button on the dashboard analytics page, triggers auto-tune against current FP history on demand

Elytra false positive fixes:

• Legit elytra flight no longer gets kicked, hover and dive detection rebuilt from vanilla physics
• Firework boosts get more grace, extra room for high ping players
• Checks pause when the server is lagging so laggy ticks stop looking like speed hacks
• Timer check ignores elytra and riptide
• False positives and true positives from the dashboard now actually do something, the tuner loosens noisy checks and tightens quiet ones on its own
• Fewer random kicks overall, stricter rules before a flag turns into a punishment
• New auto update config setting at the top of config.yml, fills in new settings from plugin updates so you no longer need to delete config.yml
• Set auto_update_config to false if you want to manage the file yourself
• Full translations for English, Spanish, Portuguese, Chinese and Russian covering menus, messages, kick reasons and staff alerts
• Kick and warn messages now show up in the target player's language

Web Dashboard

• New command /nc web pairs your server with the dashboard at nochance-ac.com
• Manage punishments, settings and players from any browser
• Minecraft head avatars for linked staff and online players
• Live view of online players with freeze, kick, warn and ban buttons
• Rich broadcast editor with color codes, live preview and presets

Detection Feedback

• Mark flags as confirmed cheating or false positives from the dashboard
• Precision and calibration numbers per check so you can see what's over-flagging
• Tuning suggestions appear when a check is too loose or too strict
• 24-hour activity chart and export to CSV

Detection Tuning

• Long falls and jumps from high places no longer false flag
• Walking or running down hills and staircases is now clean
• Grass, flowers, ferns and crops no longer trigger nuker or fast break
• New players get a longer settle-in window after joining
• Better handling for high ping, TPS drops and chunk loading

PvP Improvements

• 180° snap turns and jump attacks play nicely with kill aura checks
• Fighting grouped or clumped enemies no longer trips multi aura
• Sweaty clickers and drag clickers get fair treatment
• Sprint hits with wide FOV clients are respected

Cheat Client Detection

• Fingerprint system rewritten for higher accuracy
• Ping aware timing checks reduce network noise flags
• Rhythm analysis distinguishes bots from fast legit clicking

Admin GUI

• Clicking a check in any category menu now opens its config
• Toggle, threshold and severity changes refresh instantly
• Save Changes reopens the menu so edits are visible right away

Stability

• Flag scoring capped to prevent stacked multipliers from snowballing
• Punishment decay is a bit faster for a cleaner slate
• Extreme confidence threshold now behaves as advertised

New Permission

• nochance.web — allows /nc web pairing (defaults to OP)

Removed

• BadPackets check removed - caused too many false flags
• Unnecessary performance config options - plugin now auto-detects server resources

Detection Improvements

• Faster flag decay so players aren't stuck flagged after stopping
• Fixed fly false flags when jumping off ledges
• Fixed speed/protocol false flags during normal walking and jumping
• Fixed autoclicker false flags while mining blocks
• Fixed nuker triggering on normal fast mining with efficiency
• Better separation between fastbreak and nuker detection
• Fixed protocol false flags during combat and block breaking
• Added creative mode and shift-click exemptions for inventory check
• Added scaffolding block exemption for fast place check
• Improved blink detection for shorter lag switches
• Better waterlogged block detection across all checks

Flagging System

• Fixed a bug where flags weren't reaching the punishment system
• Config actions section now actually works (kick_on_high_confidence, etc.)
• Faster punishment response for high confidence detections
• Violation counts now decay over time so old false flags don't stack up
• Only confirmed violations count toward punishment thresholds

Punishment Ladder

• Extreme - Instant kick, escalates to tempban/ban
• High - Warn first, kick after repeated flags
• Medium - Warn then kick after sustained flags
• Low - Kick only after many repeated flags

Stability

• Reduced memory usage from replay and detection systems
• Fixed several potential crashes from null data
• Alert throttle reduced so staff sees flags faster
• Better thread safety across detection systems

New Systems

• Prediction engine that tracks movement and combat patterns for smarter detection
• Movement predictor with physics simulation (gravity, friction, input tolerance)
• Combat predictor that analyzes aim tracking and reaction times
• Cross-check correlation ties related violations together for higher confidence

Detection Improvements

• FastBreak now properly calculates break times for 40+ block types
• Fixed incorrect hardness values for blue ice, carpets, snow layers, grass
• Added pickaxe requirement checks for iron doors, hoppers, anvils, lanterns, etc.
• Sword break speed corrected for non-cobweb/bamboo blocks
• Mining fatigue now uses vanilla multiplicative formula instead of linear
• Nuker detection improved with proper instamine awareness
• Reach check entity size bonus rebalanced to prevent stacking
• KillAura cooldown and aim lock checks tuned to reduce false flags
• Velocity check no longer wrongly factors in Resistance potion
• Elytra fly and speed limits brought closer to vanilla values
• Timer detection tightened to catch 1.05x+ speed
• NoFall no longer misdetected as Blink
• Blocking while sprinting no longer flagged (valid in 1.9+)

False Positive Fixes

• Trust and suspicion scores now decay properly after clean play
• Break interval history clears when mining pattern changes
• Suspicious break ratio actually decays over time now
• Violation history expires after 2-3 minutes instead of lasting forever
• Suspicion levels can step down faster with clean play
• Cross-correlation multiplier capped to prevent instant-flags from borderline violations
• Bad packet checks no longer flag AFK or stationary players
• Blink detection won't trigger during chunk loading or while falling

Compatibility

• Bedrock players now exempted from combat, block, and inventory checks
• ViaVersion tolerance stored per player for older client support
• Floodgate UUID detection narrowed to avoid misclassifying Java players
• Ice blocks now recognized as pickaxe blocks for proper break time math
• Nether gold ore no longer requires iron+ pickaxe

Stability

• Fixed crash from null metadata in packet analyzer
• Thread safety improvements across PlayerData, ViolationQueue, and ScaffoldCheck
• Async check processor race condition fixed
• Player cleanup on quit now covers all subsystems
• Game mode and vehicle exit now properly reset check state

Bug Fixes

• Fixed Jesus check false flagging when bobbing at water surface
• Fixed ElytraFly false flags during sharp turns and landing

Improvements

• Added min/max validation in skill profile settings
• Faster detection across NoFall, Velocity, and GroundSpoof checks
• Better null safety in inventory handling

GUI Changes

• Reorganized check menus for easier navigation
• Updated main menu descriptions to show all available checks

Added:
- Bedrock/Geyser player detection (auto-detects Floodgate players)
- Ping compensation system (high ping players get adjusted thresholds)
- /nc spectate <player> - invisible spectator mode with follow cam
- /nc freeze <player> - freeze suspected cheaters in place
- /nc verbose - see all check triggers in real-time
- /nc profile <player> - view detailed player stats and ping info
- Clickable alerts with hover details (click to teleport, freeze, or spectate)
- Frozen player disconnect warning for staff

Improved:
- Tightened all detection thresholds (faster flagging)
- Lowered reach limit to 3.15 (was 3.5, vanilla is 3.0)
- Reduced max CPS limits (killaura 15, autoclicker 16)
- Stricter angle detection for killaura (35° from 48°)
- Disabled trust score bonuses on fastbreak (was too forgiving)
- Lowered ping tolerance multiplier (1.4x max, was 1.7x)
- Reduced grace period to 3 seconds
- Alerts now show [BE] tag for Bedrock players

Fixed:
- sendActionBar compatibility for Spigot servers

Config:
- Added bedrock: section for Geyser/Floodgate handling
- Added ping_compensation: section
- All thresholds reviewed and tightened
- Better comments throughout

Physics & Other Fixes

• Fixed gravity/drag calculation order (drag before gravity like Minecraft does)
• Fixed jump boost multiplier values
• Synced config defaults with actual Minecraft values

Detection Speed Improvements

• Speed check - removed averaging that softened violations, reduced tolerance
• NoFall check - added packet-level ground spoof detection
• Fly check - reduced sample requirements for faster flags
• Removed redundant bypasses causing double-exemptions

Fly Detection Rewrite

• Added more legitimate flight checks (elytra, swimming, climbing, riptide, potions)
• Bouncy block grace period (slime, honey, beds)
• Knockback and teleport grace periods
• Requires consistent pattern before flagging

ElytraFly Detection

• Added momentum tracking for dive-and-rise maneuvers
• Checks player look angle before flagging
• Launch grace period near blocks
• Better firework/riptide grace periods
• Higher violation thresholds to reduce false flags

Replay System

• Added full player stats during playback (health, hunger, armor, potions, fire)
• Shows damage dealt and taken with particles
• Block breaks now show actual vs expected time with tool used
• Red highlight when break time looks suspicious
• HUD toggle, follow mode, playback controls
• Shorter file names (Replay Files)
• Fixed timing - less footage before violation, more after

Config

• Updated thresholds for fly, speed, nofall checks
• New replay timing options (before/after seconds)

Changes

• Reduced jar size
• Fixed hand-breaking detection not working on soft blocks
  
• Fixed FastBreak missing leaf/sculk blocks with hoes
  
• Fixed rapid nuker patterns going undetected when unarmed
  
• Fixed memory buildup on long-running servers
  
• TPS now cached globally instead of per-check
  
• Cleaned up Discord webhook embeds
  
• Removed dead code in packet checks
  
• Better null handling in block sequence tracking
  

Detection

• Hand breaking now flags properly on all block types
  
• Leaves can no longer be insta-broken without proper tools
  
• Tighter thresholds for soft block nuking
  
• Pattern detection adjusted for hand vs tool scenarios
  
• Consecutive break tracking stricter for unarmed players
  

Performance

• Stale player data now auto-cleans after 5 min inactive
  
• Removed repeated reflection calls for TPS
  
• Dropped org.json dependency (uses Gson now)

Kill Aura Update + Replay

Rotation Fixes

• Fixed yaw wrapping bug (358° instead of 2°)
  
• Mobs get higher rotation limits based on type
  
• Flying mobs +150°/s, erratic mobs +100°/s
  

Mob Combat

• Proper hitbox centers for different mob sizes
  
• Multi-target way more lenient for PvE
  
• Sprint-hit check disabled for mobs
  
• CPS limits 1.25x-1.4x higher
  

Replay System
Experimental - expect bugs. Requires Citizens plugin to work.

Movement
- Rewrote speed check with better TPS compensation
- Added acceleration tracking for instant speed changes
- Fixed ice transition false positives
- Improved stairs/slabs detection

Phase/NoClip
- Fixed bounding box calculations (0.6x1.8)
- Added chunk load verification
- Better ping compensation
- Faster violation decay

NoSlow
- Split detection per block type
- Added honey block side-slide detection
- Added powder snow sink check
- Fixed severity values not reaching flag threshold
- Lowered web thresholds to catch more bypasses

Blocks Detected
- Cobwebs
- Soul sand/soil
- Honey blocks (top + sides)
- Powder snow
- Sweet berry bushes
- Eating/drinking
- Shield blocking

Fixes
- NoSlow wasn't flagging due to low severity
- Phase check missing from layer filtering
- Various threshold adjustments

FastBreak Detection:
- Fixed shovel bypassing all checks
- Improved detection sensitivity while preventing false positives
- Better tool switching tolerance (shovel to pickaxe)

Added:
NoSlow Detection - Experimental
BadPackets Detection - Experimental

Fixed:
- Database data loss on server shutdown
- False positive tracking recording wrong values
- Database blocking that could freeze server
- Thread safety issues causing rare crashes
- Fly detection not recognizing glass, ice, and barriers as ground

Improved:
- Memory usage with automatic cleanup of stale player data
- Overall stability and reliability

Added:
- Proper shutdown handling to save all data safely
- Stale data cleanup system for better performance

Fixed:

• Fixed false positives when mining normally with enchanted pickaxes
• Fixed false positives when switching tools mid-break (e.g., shovel to pickaxe)
• Fixed enchantment calculations not working correctly during tool switches
• Better tool switching detection now properly tracks which tool you started breaking with

Updated:

• Improved Kill Aura Detection
• Added Variant Check System (e.g. A > B > C)
• Improved Fast Break Detection
• Improved Inventory Detection
• Improved Fast Place Detection
• Fixed Scoring
• Improved Speed Check Detection
  
• Improved Kick Messages & more information for admins on kick
• Also fixed minor bugs and issues

SpeedCheck v2

• Updated movement speed values to match latest Minecraft mechanics
• Added movement smoothing to reduce false positives from lag spikes
• Improved water speed detection (Depth Strider + Dolphin's Grace stacking)
• improved vehicle checks (boats on ice/blue ice, horses, striders, minecarts)
• Added block effect support (honey blocks, cobwebs, powder snow, sweet berry bushes)
• Separated elytra flight detection with firework rocket boost support
• Better tolerance buffers for legitimate high-speed movement

FastPlace Check - Overhaul

• Now fully configurable via config.yml
  
• Added interval-based detection (catches faster placement patterns)
  
• Smart TPS compensation (adjusts limits based on server lag)
  
• New scaffold pattern detection (detects bridging cheats)
  
• Statistical analysis to catch auto-place bots

Speed Check - Optimized

• Improved time calculation accuracy
  
• Smoother detection with fewer false positives

Reach Check - Improved

• Increased ping compensation by 180% (much better for high-ping players)
  
• Now adds up to 0.56 blocks compensation for 200ms ping (previously 0.2)
  
• Significantly reduced false flags on laggy connections

Detection Engine - Improved

• Exponential weighted averaging for smarter pattern detection
  
• Jitter calculation to account for unstable connections
  
• Shannon entropy analysis to detect robotic behavior
  
• Autocorrelation to catch repeating cheat patterns
  
• Trend detection to identify escalating violations
  
• Momentum-based scoring for more accurate flagging

False Positive Filtering

• Continuous lag penalty system (no more harsh cutoffs)
  
• IQR outlier detection for robust statistical analysis
  
• Multi-metric pattern confirmation (4 layers of verification)
  
• Player behavior profiling improves over time

Performance

• Optimized code reduces CPU usage
• Better memory management with bounded queues
  
• Adaptive sampling reduces unnecessary checks

Anti Bypass

• Machine learning-style pattern detection
  
• Multi-layer validation (requires 2+ systems to agree)
  
• Time-weighted scoring (recent violations matter more)
  
• Coefficient of variation analysis catches sophisticated cheats

Updated:

• Detection now remembers player violation history across sessions
• Recently kicked players face stricter detection (within 5 minutes of kick)
• Historical data loaded from database on player join
• Strict mode thresholds applied across all 4 validation layers
• Reduced required violation samples for flagged players
  
• Fixed Update Checker (re-download latest)

Dynamic grace period based on violation count:

• Repeat offenders are now caught 30% faster on rejoin
• All detection layers adjusted for recently kicked players

Bug Fixes

• Fixed database connection leaks that could cause performance degradation over time
  
• Fixed potential crashes during server shutdown
  
• Fixed detection engine calculation errors

Improvements

• Added automatic validation for all configuration values
  
• Improved error handling when player data is unavailable
  
• improved code stability and memory management
  
• Better resource cleanup on plugin disable

Server Optimizations

• Adaptive sampling reduces CPU usage by 40-60% for clean players
• Async check processing prevents lag spikes
• Database batch operations (80% fewer database calls)
• HikariCP connection pooling with MySQL support
• Configurable performance settings in config.yml

Detection Improvements

• Fixed detection delays - new players now get caught immediately
  
• Added 100-check warmup period before optimizations kick in
  
• Better ping tolerance for high-latency players
  
• TPS-based check adjustments during server lag
  

BlinkCheck Improved

• FIXED: Normal movement no longer triggers false positives
  
• Added chunk loading detection (3-second grace period)
  
• Improved packet burst detection math
  
• Enhanced ping-based tolerance (up to 2x more forgiving)
  
• Better detection of blink cheats

GUI Updates

• Added Blink to Movement Checks menu
  
• Added 6 new configurable checks (Timer, Velocity, Criticals, Phase, Step)
• All checks now have GUI configuration support

Added - Blink/Packet Delay Detection
Catches players trying to abuse packet delays to gain advantages. Works by tracking packet timing and spotting unusual patterns.

Performance Boost

• Database operations no longer cause lag spikes - everything runs in background threads
  
• Memory usage stays low with automatic cleanup every 30 seconds
  
• Block break calculations are way faster now using hashmaps

Better Structure

• Added utility for cleaner collection handling
  
• Optimized processing player data