
Undespawnable
Extend and configure despawn time of your items using enchantments, gamerules and item data components.
Screenshots

About this Mod
undespawnable
Extend and configure despawn time of your items using enchantments, gamerules and item data components.
Requires Fabric Language Kotlin.
Content
Enchantments
Persistence I- adds 5 minutes to item despawn time (results in 10 minutes with default configuration)Persistence II- adds 10 minutes to item despawn time (results in 15 minutes)Persistence III- adds 15 minutes to item despawn time (results in 20 minutes)
Gamerules
itemDespawnTime- base item despawn time in ticks,6000(5 minutes) by default
Components
despawn_time- item data component, configures per-item despawn time in ticks. Overrides gamerules and
enchantments.add_despawn_time- enchantment effect component, adds time in ticks to the base item despawn time
(configured byitemDespawnTimegamerule,6000by default).
Credit & License
- Made by otomir23.
- Licensed under MIT License.
Available Versions
How to Install Undespawnable on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Undespawnable". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Undespawnable server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Undespawnable compatible with fabric?
Undespawnable officially supports fabric for Minecraft 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Undespawnable – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Undespawnable consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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