While this is not the full patch notes (Which will be released with the stable update) here are the main additions and changes in the 1.3.0 patch for testing:

If you're having a crash after joining with a previous save, save your game straight after loading in

1/01/23 - 1.3.0 Patches:

• Fix to secure and locked doors mechanics
  
• Wolf noises
  
• Bear noises
  
• Improvement to AI spawning
  
• Fix to AI shooting each other
  
• Possible fix to stats after death/restart
  

31/12/22 - 1.3.0 Patches:

• Reduced wolf health from 300 to 200
  
• Increased health of regular REDACTED AI from 100 to 200
  
• Increased health of REDACTED AI boss from 200 to 350
  
• Fix to accuracy of REDACTED AI (Now similar to boss)
  
• Fix to wolf death saying deer (Same for bear)
  
• Fix to being able to interact with wandering trader even if attacking
  
• Increased accuracy of scavengers
  
• Fixed not being able to put new keycards in keycard briefcase
  
• Fix for AI footsteps still playing after death
  
• Another fix for firearm visibility in inventory 😭
  
• Change to vehicle spawn backend code (Could cause issues but needs testing in the unstable build)
  
• Reduced loot from AI human bosses slightly
  
• Fix to human AI spawning in walls (Human AI use a different spawning system to animals and zombies, soon this system can be applied to them as well)
  
• Fix to wandering traders not spawning
  
• Removed a model from scavengers that was identical to bandit models
  
• Fix to not being able to craft base marker
  
• Fix to events not despawning correctly
  
• Fix to player model changing every respawn
  
• Fix to hearing player footsteps after death
  
• Fix to skill tree resetting visually (Skills were still unlocked but visually didnt look it after a death)
  

30/12/22 Bug Fixes:

• Another fix for firearm visibility in inventory
  
• Fix to levelling system not saving or loading
  
• Fix to invisible object on AI death blocking shots
  
• Added initial delay when spawning AI
  
• Fix for mosin clip description
  
• Fix for colonel revenge mag description
  
• Trees actually fall over
  
• Fixed all AI humans saying 'Dead Scavenger'
  
• Fix for not being able to put items in pockets
  
• Fix for being able to climb ladders forever
  
• Fix to flashlight view getting broken when scrolling camera distance
  
  
  
• Possible fix for suicide issue
  
• Fix for debug object showing in game
  
• Fix for advanced lock pick not working
  
• Fix for text ammo on M20 sniper
  
• Bandit camp near New Richland fixed
  
• Fix for getting out of vehicle
  
• Fix for falling through ground in classified area
  
• Fix to firearm visibility in inventory
  
• Possible fix for dying extremely fast (And dead body staying in game, alive kinda)
  
• Fix for guardian headshot damage
  
• Fix to too many AI spawning
  
• Possible fix for weapons not doing damage
  

• New locations; New airfield and surrounding areas
  
  
  
  
• AI Bandits, Scavengers & More; find randomly spawning pockets of AI, from feedback this can be increased and added to new areas
  
  
  
  
• Skill tree & passive skill system; will need balancing
  
  
  
  
  
  
• New animals
  
• Firearm effective range & critical hits
  
• New safe zone
  
• Ladders
  
• New items and legendary items
  
• New difficulty options
  
• Can now harvest all trees & rocks
  
• Player crate on death instead of looting body
  
• Many changes & bug fixes
  
• And much more
  

Container weight system delayed until future update if it is going to be added

Expect issues and I look forward to the feedback.