• Fix incompatibility with BungeeCord build 1909+

If you're still using BungeeCord or a fork of it, consider upgrading to Velocity if you can.
https://velocitypowered.com/

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Fix invalid level name in the JoinGame packet
• Implement a safer Sonar API get() method
• Add some basic doc comments to the API
• Mark unused dimensions as deprecated

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Link documentation in language.properties and config
• Add Brazilian Portuguese (pt-br) translations #440
• Fix race condition in VerifiedPlayerController
• Bump caffeine from 3.1.8 to 3.2.0 #436

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Use full registries to fix compatibility #429
• Downgrade mariadb-java-client to 3.4.1
• Fix invalid block state ids for 1.21.4

This release aims to fix some compatibility issues with certain mods and clients. Please note that it is impossible for Sonar to simply "fix" broken packets sent by any mod or client.

Thanks to FallenCrystal for helping me implement the new registries. Check our her repository if you want to learn more about how we've implemented the new registries.

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

This is a hotfix release that fixes a NoClassDefFoundError on BungeeCord and Bukkit.

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Update 1.19-1.21.2 codecs
• Bump adventure from 4.17.0 to 4.18.0

Happy New Year!

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Minecraft 1.21.4 Support #408

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Fix crash issue on 1.13-1.13.2
• Downgrade mysql-connector-j to 9.0.0

This is a hotfix release that fixes the MySQL driver not loading correctly and 1.13-1.13.2 clients crashing when joining the server.

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Bump mariadb-java-client from 3.4.1 to 3.5.1
• Bump mysql-connector-j from 9.0.0 to 9.1.0
• Use version name instead of ID for logging

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Clear ByteBuf if the packet has no start
• Fix invalid-username never being used

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

This is a hotfix release that removes an accidental debugging statement that caused all errors to be printed out to console in full detail.

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Move username check to post-login
• Fix pre-join disconnects not encoding correctly
• Make unsupported version message configurable
• Update language/config files for Chinese #404
• Add client ticking check for 1.21.2+

Massive thanks to the sponsors of Sonar who help keep this project running: Hydoxl

• Don't serialize modern json twice
• Fix NoClassDefFoundError on BungeeCord and Bukkit

This is a hotfix release that resolves an exception on startup introduced by #401

• Fix timestamp check false positive
• Fix component serialization on <1.16 #401

This release fixes gradients being parsed incorrectly for Minecraft 1.15.2 and below.
Additionally, random disconnects during the CAPTCHA have been fixed.

• 1.21.2 Support #370, #397
• Make verification world time configurable
• Exempt Bedrock players from the vehicle check
• Exempt Bedrock players from the view distance check
• Remove useless variables from some events
• Fix UpdateTime packet on 1.21.2
• Fix CAPTCHA Y position breaking lighting
• Fix errors during configuration phase
• Use hashes for command tab completion
• Don't print permission message if empty

Some false positives and timeouts related to lag have been fixed.
There've been some more microoptimizations that are not listed.

• Make the update checker more accessible to users
• Hide secure-chat toast from 1.20.5+ clients
• Use the modern way of registering Velocity commands
• Randomize X and Z positions in vehicle check
• Fix a potential issue in the vehicle handler
• Add some more smaller movement validations
• Fix the 1.7.2-1.7.10 minimum Y coordinate issue
• Exempt Bedrock players from packet order checks
• Fix max total packets false positive on 1.7-1.8
• Add CaptchaGenerationStartEvent, CaptchaGenerationEndEvent
• Fix custom CAPTCHA background image not working
• Fix invalid login mappings for 1.18-1.18.1

This update fixes login issues on 1.7.2-1.8 and 1.18-1.18.1. Additionally, /sonar will now show whether the version you're using is up to date or not.
The API groupId has been changed from xyz.jonesdev.sonar to xyz.jonesdev. Check out the repository for more info: https://repo.jonesdev.xyz/#/releases/xyz/jonesdev
There've been some more microoptimizations that are not listed.

• Fix invalid block mappings for 1.14-1.14.3
• Cap username length in LoginSuccess (clientbound)
• Add invalid window ID check to transactions
• Randomize some more position-related values
• Fix a false positive with the moved too far check
• Fix a false positive with Bedrock players
• Fix some potential issues on 1.7.2-1.7.10
• Fix potential issues regarding the IP limit check

This version of Sonar introduces a new fingerprinting system (which is basically just a fancier name for what Sonar had before).
It is highly recommended to reset (delete) your database. Instead of saving the IP address and UUID in the database, Sonar now saves a hashed combination of the username and IP address.

• Implement more interactionless checks #378
  • Add legit swing verification check
  • Recode vehicle movement check
  • Fix hotbar (slot) check never actually working

This release patches a recently found bypass by ttProxy.

This is a hotfix release that fixes a NullPointerException on start under certain circumstances.

• Improve the collision check #360
  • Add more configurable block types (ENCHANTMENT_TABLE, TRAPDOOR, STONE)
  • Fix a bug where the XP bar was shown to players in creative mode
• Implement missing "fell through blocks" check
• Fix verification.currently-preparing not being used
• Fix Bedrock players not being able to be transferred #356
• Implement Bukkit Support #347
  • Instead of replacing existing pipelines, Sonar now removes every pipeline and adds the necessary ones, therefore saving RAM and CPU usage by minimizing the handlers in the channel.
• Allow general.max-online-per-ip to be 0

Sonar will only work on standalone Bukkit servers that are not behind a proxy (e.g., BungeeCord or Velocity). If you use a proxy, please install Sonar on the proxy instead of the backend server

• Update Chinese translations #335
• Make server write timeout configurable
• Add some missing translations
• Allow user to disable automatic update checking #332
• Update priorities of checks performed on login
• Use compute for more efficient ConcurrentMap I/Os
• Migrate placeholders to MiniMessage components #329
• Use ScheduledExecutorService instead of Thread #328
• Fix invalid timestamp in database #331
• Movement tick should be incremented even if check disabled #330
• Improve collision check and fix potential bypass
• Fix rare NoSuchElementException
• Extract protocol checks to their own session handler
• Single-release hijacked packet on Bungee #326
• Take a snapshot of the JoinGame packet
• Hook bandwidth handler after handshake packet
• Preload all registered packets on start
• Recode PluginMessage handling to fix memory leak
• Fix memory leak on BungeeCord #325
• Fix exception when cancelling login on Bungee
• Remove useless biome codecs #324
• Implement new slot check #323
• 1.21 Support #322, #334, #321

Important: In order for the new placeholder system to work properly, you must reset your messages.yml and webhook.yml.

• Bump capja from 1.0.2 to 1.0.3 #294
• Don't cache map data to avoid memory issues #293

(Thanks to @NoltoxGit for reporting)

• Restructure dependency management #260
• Update Russian translations #259, #247, #245 (thanks to @F3F5)
• Hide blacklist logs during attack #257
• Improve code readability and maintainability #255
• Improve verification limits and state system #254
• Implement vehicle mounting check #251

Each platform will now have its own download link and plugin file. This is done to prevent library/dependency issues on different platforms.

• Recode map CAPTCHA #243
• Don't drop messages that aren't ByteBufs #242
• Implement missing packet limits #241
• Fix translation error in the Russian language #240

It is recommend to reset your configuration if you are planning to use the CAPTCHA.

• Remove unused protocol ids to avoid exploits #229
• Fix NullPointerException #227
• Remove pipelines if they are not needed anymore #226
• Use correct packet limits for PluginMessagePacket #225

If you're currently on 2.0.20, please immediately update to this version as this fixes a huge issue on BungeeCord servers.