Starstruk Logo MarkStarstruk

v3.0.0

louis-e/arnisv3.0.0Jul 11, 2026by louis-e

AI Summary

This is a major update to Arnis featuring a complete overhaul of the terrain engine, high-resolution elevation data, real-world climate biomes, and significantly more detailed city generation.

Key Highlights

  • High-resolution terrain engine with elevation data for 20+ countries down to 1 meter detail.
  • Real-world climate system determines biomes, ground materials, and features 500+ new tree species.
  • Vivid city generation with cars, boats, cranes, excavators, and fountains.
  • New 3D terrain preview before world generation.
  • New world setup options for game mode, time of day, and starting with a map item.

New Features

  • High-resolution elevation datasets (Germany DGM1, Mapterhorn).
  • Real-world climate and biome generation system.
  • 3D terrain preview functionality.
  • Interior overhaul for buildings.
  • New structure schematics (wind turbines, modular bridges, tombstones).
  • Enhanced city details (traffic, construction equipment, water features).
  • New world settings (game mode, time of day).
  • Spawning with a map item.

Full Release Notes

<img src="https://github.com/user-attachments/assets/f19d1e12-b10a-4da8-a6ab-ab0ce8e2d984" width="100%" alt="Banner">

This is the largest release in Arnis's history since v2.0.0, and it starts from the ground up. The terrain engine has been upgraded with a high-resolution elevation dataset across 20+ countries, partially down to 1 meter detail. You can now preview the terrain in 3D before you generate your world. On top of that, real world climate now decides your biomes and ground materials, so a Mediterranean town, an alpine valley and a boreal forest each feel distinct, with almost 500 new trees species planted throughout. Generated cities now feel more vivid, with cars on parking lots, boats in the water, cranes and excavators on construction sites, water fountains, and many more details. Can you find the SpaceX Starship? New world setup options let you choose your game mode and time of day, and you spawn with a map item already in hand.

## Assets
* Windows: arnis-windows.exe
* Linux: arnis-linux
* MacOS: arnis-mac-universal

**Scroll down to find the download in _Assets._**

## What's Changed

<details>
<summary>Click to expand</summary>

## What's Changed
* Feat/climate and trees by @louis-e in https://github.com/louis-e/arnis/pull/1130
* feat(structures): stamp .schem props at OSM features by @louis-e in https://github.com/louis-e/arnis/pull/1131
* feat(structures): add tombstone and wind turbine schematics by @louis-e in https://github.com/louis-e/arnis/pull/1133
* Fix landcover usage in flat ground and field water by @louis-e in https://github.com/louis-e/arnis/pull/1140
* Add credits to schem files by @louis-e in https://github.com/louis-e/arnis/pull/1141
* More schem props by @louis-e in https://github.com/louis-e/arnis/pull/1142
* Add modular bridge schems and more cars by @louis-e in https://github.com/louis-e/arnis/pull/1143
* Combine 3d & props toggle, update bbox design by @louis-e in https://github.com/louis-e/arnis/pull/1144
* Refactor map preview image generation by @louis-e in https://github.com/louis-e/arnis/pull/1145
* Fix OneDrive Bedrock auto opening mechanism by @louis-e in https://github.com/louis-e/arnis/pull/1146
* Improve peak RAM memory usage of last commits by @louis-e in https://github.com/louis-e/arnis/pull/1147
* Water related updates backported from Teddy Arnis by @louis-e in https://github.com/louis-e/arnis/pull/1148
* Rail power line by @louis-e in https://github.com/louis-e/arnis/pull/1150
* Tunnel roads by @louis-e in https://github.com/louis-e/arnis/pull/1151
* Fix powerline dips by @louis-e in https://github.com/louis-e/arnis/pull/1153
* Map item and world settings by @louis-e in https://github.com/louis-e/arnis/pull/1154
* Add Germany DGM1 elevation provider via hoehendaten.de by @louis-e in https://github.com/louis-e/arnis/pull/1155
* Add 3D terrain preview by @louis-e in https://github.com/louis-e/arnis/pull/1157
* Mapterhorn elevation by @louis-e in https://github.com/louis-e/arnis/pull/1158
* Rework generation toggles and fix tree, balcony and outline rendering by @louis-e in https://github.com/louis-e/arnis/pull/1159
* chore(deps): bump itertools from 0.14.0 to 0.15.0 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1136
* chore(deps): bump actions/checkout from 6 to 7 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1135
* chore(deps): bump log from 0.4.29 to 0.4.33 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1138
* Update landuse.rs by @BOBJOEx11g in https://github.com/louis-e/arnis/pull/1099
* Layers and dependabot by @louis-e in https://github.com/louis-e/arnis/pull/1160
* Surfaces and roofs by @louis-e in https://github.com/louis-e/arnis/pull/1164
* chore(deps): bump parquet from 58.3.0 to 59.1.0 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1163
* chore(deps): bump bytes from 1.11.1 to 1.12.1 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1162
* chore(deps): bump indicatif from 0.18.4 to 0.18.6 by @dependabot[bot] in https://github.com/louis-e/arnis/pull/1161
* Interior overhaul by @louis-e in https://github.com/louis-e/arnis/pull/1166
* Set trees on non-grass blocks by @louis-e in https://github.com/louis-e/arnis/pull/1168
* Fix S3DB relation multi part buildings by @louis-e in https://github.com/louis-e/arnis/pull/1170
* Add more glassy skyscraper styles by @louis-e in https://github.com/louis-e/arnis/pull/1173
* Fix map corruption by @louis-e in https://github.com/louis-e/arnis/pull/1174
* Treat historic=no/heritage=no as negatives; single-pass member-way scan by @louis-e in https://github.com/louis-e/arnis/pull/1175
* Fix missing building in vatican by @louis-e in https://github.com/louis-e/arnis/pull/1176
* Prepare v3.0.0 release by @louis-e in https://github.com/louis-e/arnis/pull/1177

</details>

**Full Changelog**: https://github.com/louis-e/arnis/compare/v2.9.0...v3.0.0