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Leaf

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Facts from Leaf's own pages

API
Leaf provides an API dependency through its Maven repository for Gradle and Maven projects. · leafmc.one, 7 Oct 2026
Audience
The documentation describes Leaf as designed for large-scale networks in high-load environments. · leafmc.one, 7 Oct 2026
Benchmarking
The FAQ says more detailed and reliable performance benchmarks will be provided in the future. · leafmc.one, 7 Oct 2026
Build requirements
The latest experimental build listed is Leaf 26.3 Build #2, released October 3, 2026, and requires Java 25 or later. · leafmc.one, 5 Oct 2026
Compatibility caveat
The Leaf optimization guide says OptimizeNonFlushPacketSending is known to be incompatible with ProtocolLib and potentially other network-heavy plugins. · leafmc.one, 5 Oct 2026
Configuration
Leaf uses a YAML global configuration and supports hot reload for most settings, while hot reload for async modules is unsupported. · leafmc.one, 7 Oct 2026
Download
Leaf is distributed as a Minecraft server JAR; the download page says the listed 26.3 builds are experimental and not recommended for production. · leafmc.one, 7 Oct 2026
Download format
Leaf is distributed as a server JAR, and the site documents downloading builds through a v2 API for scripts and CI. · leafmc.one, 5 Oct 2026
Integrations
The project README says Leaf integrates with Sentry to track server errors in detail. · github.com, 7 Oct 2026
Intended servers
Leaf is designed for large-scale networks in high-load environments. · leafmc.one, 5 Oct 2026
Known limitations
The FAQ says the latest version has no known incompatibilities and describes compatibility issues affecting some legacy versions. · leafmc.one, 7 Oct 2026
License
The project license page says Leaf binaries are licensed under GPL-3.0-only, while patches generally use MIT unless otherwise indicated. · github.com, 5 Oct 2026
Paper compatibility
Leaf is built on Paper, inherits the full Paper API, and runs Paper plugins natively. · leafmc.one, 5 Oct 2026
Paper plugins
Paper plugins work natively on Leaf, which inherits the full Paper API. · leafmc.one, 7 Oct 2026
Performance features
Leaf lists asynchronous pathfinding, mob spawning, and entity tracking among its features. · github.com, 7 Oct 2026
Product
Leaf is high-performance Minecraft server software built on Paper, designed to balance performance, vanilla behavior, and stability. · leafmc.one, 7 Oct 2026
Production status
The download page says no stable builds are available and advises against using the available experimental builds in production. · leafmc.one, 5 Oct 2026
Protocol support
Leaf lists support for mod protocols, including configurable protocol options in its global configuration. · github.com, 7 Oct 2026
Purpose
Leaf is high-performance Minecraft server software designed to preserve vanilla behavior and plugin compatibility. · leafmc.one, 5 Oct 2026
Purpur patches
Leaf includes all Purpur patches, though some Purpur options are configured through Gale and Leaf settings. · leafmc.one, 7 Oct 2026
Runtime requirement
The latest experimental build shown on the download page requires Java 25 or newer. · leafmc.one, 7 Oct 2026
Security-related option
The configuration includes an optional secure-seed setting, which is disabled by default in the documented configuration. · leafmc.one, 5 Oct 2026
Support
The docs direct users to the Leaf Discord server for contact and support. · leafmc.one, 7 Oct 2026
Supported client protocols
Optional protocol support settings include Jade, AppleSkin, Xaero Map, Syncmatica, and other client mod protocols. · leafmc.one, 5 Oct 2026

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