arnis Releases

The 'Canopy Update' introduces realistic tree canopy heights, straightened coastlines, and a building realism overhaul. It also adds new features like local .osm support, real signage, and Bedrock save path configuration.

Aug 18, 2026

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.

Jul 11, 2026

A maintenance release that removed the previous version (v1.6.0) due to a critical regression.

Jul 8, 2026

Focuses on agent mode improvements, MCP tool handling, and UI refinements including a new commit diff view.

Jun 29, 2026

This is a maintenance release focused on fixing e2e mock-mode verification and isolating gitignore integration tests. It provides updated prebuilt binaries for the ralph suite.

Jun 23, 2026

A major feature release introducing Forge CLI backend integration, RObot human-in-the-loop capabilities, and worktree loop improvements. It also includes TUI enhancements like iteration buffer export and context-window telemetry.

Jun 22, 2026

Enhances security, packaging, and crash reporting capabilities with significant performance optimizations.

Jun 17, 2026

This update focuses on significant performance improvements, including streaming world generation to disk to reduce RAM usage and multi-core parallel processing for faster generation. It also enhances environmental realism with detailed biomes, layered water, and snow-capped mountains, while improving infrastructure like scaled roads and marked airport runways with planes.

Jun 16, 2026

This release introduces 3D rendering for iconic landmarks and monuments alongside visual upgrades to buildings and bridges. It features a modern map preview selection, cleaner river shorelines, and an experimental export option for Luanti (Mineclonia) worlds.

May 19, 2026

This release provides updated prebuilt binaries for the ralph suite without specific changelog details provided in the snippet.

May 8, 2026

This update delivers a major terrain engine overhaul with a new multi-source elevation pipeline using regional providers like USGS and IGN. It extends the build height limits for both Java and Bedrock editions and introduces subway tunnel generation.

Apr 24, 2026

This release focuses on release workflow improvements and fixing a critical TUI bug where large prompts caused blank output due to PTY stdin deadlock.

Apr 10, 2026

Building data is enriched with Overture Maps integration for greater accuracy, accompanied by a major visual overhaul of buildings featuring complex roof algorithms and fountains. The update also adds map rotation, Minecraft server compatibility, and realistic mixed-material road surfaces.

Apr 6, 2026

A maintenance release fixing a build/install error where `cargo install` failed due to module inclusion issues in the `ralph-tui` crate.

Apr 4, 2026

This update introduces ESA WorldCover satellite land cover classification for realistic ground textures and improves water body generation efficiency. It also fixes Bedrock Edition save speeds, adds Japanese and Portuguese (Brazil) language support, and addresses various elevation and cache bugs.

Mar 27, 2026

A major visual overhaul called 'Metropolis Update' introducing complex building features like balconies and chimneys, diverse roof styles, new trees, and performance optimizations.

Feb 14, 2026

Critical security release addressing multiple SQL injection vulnerabilities across the backend.

Feb 9, 2026

Minor improvements to task list labels and Docker production setup.

Feb 7, 2026

This release significantly enhances large model training efficiency with FlashMaskV3 for sparse attention, a new FlexCheckpoint parameter sharding system, and virtual memory management for MoE models.

Jan 31, 2026

Quality update bringing visual enhancements, terrain realism patches, and major bug fixes to the Bedrock Expansion. Generation is faster with improved memory management and the produced worlds look more beautiful.

Jan 11, 2026