Thank you everyone for your continued support!
Here all the changes in the 1.1.1 update, in no particular order:

• All levels are now unlocked from the start. If you have an old version, all locked levels will now unlock.
  
• Added anti-aliasing and v-sync. Both are enabled by default.
  
• Brush resizing is less restrictive now, and the maximum brush size has been increased.
  
• Added a setting to re-enable the tutorial.
  
• Added a setting to show/hide the brush sizer.
  
• Added a setting to show/hide color numbers.
  
• Added a fade effect to the settings menu.
  
• Added new SFX to level selection and the settings menu.
  
• The settings menu can now be accessed from the title screen.
  
• Color switching now switches to the next available color, instead of the first.
  
• Added a full controls menu, accessible from the settings menu.
  
• Various performance improvements
  
• Added 3 new achievements.