This new version adds official support for Minecraft 1.12.2. Besides that, there are a lot of changes involving map displays:

• Fix block rendering of carpet, redstone, pistons, leaves, grass, sloped rails, flowers and plants
  
• Fixes an error that occurred with some custom block models
• Map Texture image loading receives a very significant speed boost and has less memory overhead
  
• No longer uses Bukkit's API for the conversion between R/G/B color and map colors. It now uses a sophisticated algorithm based on hard science.
• This significantly improves color display over before, improving color contrast and reducing the 'grey-ness' of displayed images

Improved color palette


Fixes rendering of certain blocks