Luanti 5.18.0, the latest stable update to the open-source voxel game engine formerly known as Minetest, was released on October 29, 2026. Its official changelog details performance work, audiovisual improvements and several additions for developers creating games and mods on the platform.
Unlike a conventional standalone game, Luanti is a framework for making and playing different block-based games. Its catalog ranges from survival sandboxes to community-created adventures, and creators can distribute projects and modifications through the platform's content ecosystem. That makes a relatively small engine update relevant to both players and the developers maintaining their favorite worlds.
Rendering, lighting and interface changes
The 5.18.0 update includes general client performance improvements and further work on the mapblock mesh generator, which handles part of the process of turning voxel worlds into visible geometry. It also adjusts how the moon's tonemapping operates in relation to the sun, giving developers more control over the presentation of their environments.
A new scripting option, set_lighting({light_curve = ...}), allows games to modify the lighting curve. Other client-facing changes include clearer zoom status text, better layout during media loading and a new way to make text fields read-only. The release also fixes an animation regression and a problem where a texture-coloring operation discarded transparency.
What mod authors need to know
There are compatibility changes alongside the visual fixes. Lua vectors that omit an x, y or z component now produce an error, after warnings in previous versions. The configuration setting secure.enable_security has also been removed; the release notes say the corresponding behavior can instead be controlled with a command-line argument.
The changelog additionally lists security hardening for the schematic-loading function, more error and bounds checks, improvements to web-oriented Emscripten builds and a new libzip dependency. None of those changes should be confused with a promise that every game or mod will automatically gain a noticeable frame-rate improvement.
A platform update, not a new game
Luanti is available for desktop platforms and Android, but individual games using the engine can have their own compatibility and maintenance requirements. Developers should review the 5.18.0 changelog before upgrading servers or modifications, particularly where Lua scripts rely on older behavior.
The release date is independently reflected in selfhost.directory's version history, which also points to the project's official GitHub releases. Players looking to understand what has changed can consult the release documentation rather than assuming that the new engine version adds particular game content.
Image: official Luanti promotional illustration by Zughy, from the Luanti press kit, licensed CC BY-SA 3.0 under the official website's media licensing. Used unmodified.
