As always, I am thankful for @MetallicGoat 's (and of course, everyone else who has reported the bugs in our Discord) contributions to this update. If you appreciate our efforts, we'd greatly appreciate a donation. Thank you very much!

Added feature:

• Players who quit during a solo match may have the chance to rejoin for a specific timeframe (configurable using config "solo-rejoin-time") instead of being eliminated immediately (Thanks to @MetallicGoat)

Third-party support improvements:

• Updated OldCombatMechanics to 1.12.0+ (Old versions aren't supported anymore. Plugin will warn you if it detects that) (Thanks to @MetallicGoat)
  
• Added CloudNetV4
  
• Improved Microsoft SQL support:
  • Added driver with latest version
    
  • Added configs: sql-mssql-encrypt and sql-mssql-integrated-security
    
  • Added new configs to web setup as well

Config changes:

• Added:
  • auto-cloning-excluded-arenas: to exclude specific arenas from auto clone
  • sql-mssql-encrypt
    
  • sql-mssql-integrated-security
• customchatmessage-spectator-message:
  • Added PlaceholderAPI support
    
  • Added new placeholders:
    • {essentialsgroupmanager}
      
    • {name}
      
    • {message}
• "customchatmessage-message" now also gets applied during lobby phases
  
• "hex-support" is now set to true by default

Miscellaneous:

• Significantly reduced memory usage for arenas caused by their regeneration system
• Added API version to /bw info

API changes:

• Some changes for the new solo-rejoin feature:
  • Deprecated:
    • Arena#getRemainingTeams()
    • Arena#getRemainingTeams(Player...)
  • And due to that added:
    • Arena#getAliveTeams()
    • Arena#getAliveTeams(Player...)
    • Arena#getTeamsWithPlayers()
    • Arena#getTeamsWithPlayers(Player...)
• Some hologram API improvements:
  • Added ability to modify equipment:
    • Added EquippableSkin and HologramEquipment classes
  • Added ability to modify health:
    • Added DamageableSkin class
  • Added ability to modify ArmorStands:
    • Added ArmorStandHologramSkin class
  • Deprecated HologramSkinType#VILLAGER
    
  • Added Spawner#getHologram()
    
  • Added Arena#getBedHologram(Team)
• Added API to communicate using messages/packets between servers (RemoteAPI):
  • RemoteCustomMessageReceiveEvent
    
  • RemoteAPI#broadcastCustomMessage(String, byte[])
    
  • RemoteServer#sendCustomMessage(String, byte[])
• Miscellaneous:
  • Added:
    • ShopItem#removePrice(ShopPrice)
      
    • ShopItem#removeProduct(ShopPrice)
      
    • ItemShopPrice#setItemStack(ItemStack)
      
    • ItemShopProduct#setItemStack(ItemStack)
  • CommandSenderWrapper#wrap(RemotePlayer) now automatically wraps him into a Bukkit format in case he is playing on the local server
    
  • Fixed CommandSenderWrapper#getReference() returning null in case the sender was on a remote server
    
  • QuitPlayerMemory constructor received a new parameter, thus potentially breaking API making use of it

Fixed bugs:

• Fixed 'missing handler warning' sent to players when used a spectator item with a command only (Thanks to @MetallicGoat)
  
• Fixed config descriptions being formatted weirdly (Thanks to @MetallicGoat)
  
• Fixed spawner holograms not spinning (Thanks to @MetallicGoat)
  
• Fixed NPE when opening the HypixelV1 layout (Thanks to @MetallicGoat)
  
• Fixed arena regeneration queue getting stuck when forcefully canceling them
  
• Fixed player parameter for /bw join always used the player that typed the command
  
• Fixed error when typing "/bw tools openupgradeshop" while not inside an arena https://cdn.discordapp.com/attachments/355078539793530900/1105848704050659338/image.png
  
• Fixed that NPC bodies wouldn't rotate at certain situations when used together with Tweaks' auto-head-rotation
  
• Fixed that NPC bodies wouldn't rotate at certain situation when used together with Tweaks' auto-head-rotation