uNmINeD 0.14.2 – macOS

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New uNmINeD development snapshot is available for download!

This release contains macOS related fixes for the GUI version.


  • (macOS GUI) Changed packaging to an easy to run/install app
  • (macOS GUI) Fixed wrong Minecraft saves path

My friend in a galaxy far, far away finally managed to install macOS inside a virtual machine running on his PC, so now I can test uNmINeD on macOS.

Installation instructions: extract the downloaded tar.gz and start the application (or move it to Applications and start from there).

Required macOS version is 10.13 High Sierra or later.

uNmINeD GUI running on macOS 10.15 Catalina
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[WIP] Selection and overlays

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I’m working on a selection tool to make image export easier and to support other upcoming features:

Developing a rectangle selection tool

The new rendering workflow makes possible to implement various overlays based on any chunk information like data version, status, last update, inhabited time, entities, or the amount of a given block type.

This is a heat map showing inhabited time (how long the players have been in the area):

Inhabited time heatmap on the nerd.nu PVE (rev25) world
Continue Reading[WIP] Selection and overlays

uNmINeD 0.14.1 – Optimization

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New uNmINeD development snapshot is available for download!


  • New chunk processing and rendering workflow
  • Added I/O scheduling
  • Optimized block name pattern matching (faster stylesheets)
  • Improved support for worlds with negative Y (Minecraft 1.17)
  • Fixed missing zoom out tiles in generated web maps
  • (CLI) The --area parameter now accepts block, chunk and region rectangles

uNmINeD now reads region files one by one and sequentially instead of random access. This has a huge impact on chunk read times on hard disks (5-10x).

uNmINeD now also have a new task scheduler and a new render pipeline with some buffering that allows reducing the number of chunks that need to be read and processed more than once.

Value of the –area parameter can be a block, a chunk or a region rectangle. The rectangle can be specified using two points (top-left and bottom-right corners of the rectangle), or using one point (top-left corner), and a size (width, height).



The bottom and right edges specified by the point (x2,z2) are exclusive, they are outside of the rectangle.

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uNmINeD 0.13.5 – High DPI

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New uNmINeD development snapshot is available for download!


  • Added new blocks from the latest Minecraft snapshot 21w05a
  • (GUI) Added pixel perfect images on devices with DPI scaling other than 100% (no more blurry screens on laptops and 4k displays)
  • (GUI) Fixed crash/freeze when opening a world
Screenshot of uNmINeD 0.13.5-dev on a 150% DPI display
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uNmINeD 0.13.4-dev

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New uNmINeD development snapshot is available for download!


  • Changed JS stylesheet loader
  • Added stylesheet settings:
    • Water depth coloring
    • Flower coloring
    • Ore coloring
    • Dye coloring
    • Different underground colors
  • Rewritten class library used for change notification propagation in object trees

Stylesheet settings are defined in the file stylesheet.js, where custom settings can also be added.

Stylesheet settings in uNmINeD 0.13.4
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