This update was focused mostly on balance changes:

• All towers received tweaks to their cost as well as their upgrade costs and upgrade boost amounts
  
• Slightly lowered time between enemy spawns
  
• Changed how the armor damage threshold increases
  
• Shield and armor now increase in amount as time goes on
  
• Changed some enemy's attributes to create a larger difference between them:
  
  • Bees are more numerous and fast but have smaller health pools
    
  • Cacti have larger health pools but slower regeneration
    
  • Mushrooms regen shield and health very quickly
    
  • ...with more to come!
    
  
  

Other stuff:

• Decreased the size of enemy health bars on screen
  
• Artillery now shoots a projectile
  
• Fixed an issue causing the spotted damage modifier not being used in the calculation to determine if armor is damaged
  

This is the final update before the 1.0 full release!

Things you can expect in the full release:

• MANY more items
  
• Several new enemy types
  
• World events that can affect both towers and enemies
  
• and if time permits: a new tower or two!
  

I do plan on updating the game after release. I will post my plans for future updates along with the release post!