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v3.0.0

itszeeshan/subdomainxv3.0.0Jul 11, 2026by louis-e

AI Summary

This is a major overhaul starting from the ground up, featuring an upgraded terrain engine with high-resolution elevation data and real-world climate simulation. The release introduces 3D terrain previews, enhanced city generation with more details, and new world setup options.

Key Highlights

  • Upgraded terrain engine with high-resolution elevation dataset (up to 1 meter detail) across 20+ countries.
  • Real-world climate simulation determining biomes and ground materials.
  • Introduction of 3D terrain preview before world generation.
  • Enhanced city generation with vehicles, boats, and construction equipment.
  • New world setup options for game mode and time of day.

New Features

  • High-resolution elevation dataset and 3D preview capability.
  • Real-world climate and biome system with 500 new tree species.
  • New world setup options including game mode and time of day.
  • Spawn with a map item in hand.
  • New structure schematics (tombstones, wind turbines, modular bridges).
  • Enhanced city details including cars, boats, cranes, and water fountains.
  • New glassy skyscraper styles.
  • New elevation providers for Germany and Mapterhorn.

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

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## 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

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