Hotfixes are smaller updates that usually are either bug fixes, localization updates, or other minor changes. It usually doesn't require a version change, which means people running a hotfix behind will still be able to join and play with people on the latest.

So far these have been:

• Added French translation (thank you Doumi)
  
• Added Swedish translation (thank you Francis#0745)
  
• Updated Czech translation (thank you F0rbest#2936)
  
• Updated Spanish translation (thank you Sombra#7210)
  
• Updated German translation x2 (thank you Browniii#3201 & Philuu ❄#0001)
  
• Fixed lag issue when older characters were travelling to a different level.
  
• Updated Russian translation x4 (thank you Alex).
  
• Fixed possible crash when enchanting items.
  
• Fixed possible client crash when loading in.
  
• Fixed possible client crash when dying and disconnecting.
  
• Fixed possible crash when updating volume settings.
  
• Added crash notification to systems that run out of memory.
  
• Added crash notification about corrupted data file.
  
• Fixed custom languages not getting loaded.
  
• Fixed possible crash when rendering the minimap.
  
• Fixed some issues that could happen when interacting with the server list.
  
• Fixed issue where settlers stopped working completely.
  
• Added reduce UI framerate checkbox in graphics settings.
  
• Added button to main menu that toggles camera panning.
  
• Added and later updated traditional Chinese translation (thank you NoobieNoodle89#7665).
  
• Added more common Chinese characters to the font when using the language.
  
• Added tooltip about translation coverage when hovering over them.
  
• Updated language files with a notice about missing translations. This makes it much easier for translators to update after a game update.
  
• Updated simplified Chinese translation (thank you Law_4x#4457).
  
• Updated Brazilian Portuguese translation (thank you Winsker).
  
• Made launching the game ignore any system memory parameters.
  
• Traveling merchant now always sells the Potion Pouch.
  
• Changed wording on assign forestry zones tooltip.
  
• Fixed possible error in rendering worm health bars.
  
• Fixed rare crash related to hud elements.
  
• Fixed rare crashes when slow computers were loading levels with a lot of lights to handle.
  
• Fixed rendering of entity shadows sometimes flickers.
  
• Fixed dependency issue causing people with special characters in their windows username not being able to play.
  
• Fixed the possibility of getting stuck when traveling to other islands.
  
• Fixed possible crash when opening settlement menu.
  
• And a bunch of other very rare crash fixes.
  

I will keep updating this list for v0.21.21 if more hotfixes come.

Thank you for playing, and keep that feedback coming! :)
- Fair