Stackable Heads

Fix a bug where player heads don't stack

3.5K Downloads

datapackfabricforgeneoforgequiltgame-mechanicsutility

Rent Server with this Mod

Screenshots

About this Mod

What's Stackable Heads ?

Stackable Heads is a project to update players' heads and therefore to be able to stack them.

From what I understand, Mojang fixed this problem from Minecraft 1.21.9.
This project therefore no longer needs to receive updates

How does it work?

Added the `refresh.mcfunction` and `launcher_refresh.mcfunction` functions

The launcher_refresh function launches the refresh function every tick for each head on the ground.
refresh.mcfunction refreshes the player's heads and indirectly makes them stackable.

How to use it?

To refresh a player's head, you must drop it.

Complementary

You can also use Drop Head and Killer Head.

Compatibility

Stackable Heads should work anywhere.

Support me!

Join my Hardcore Minecraft server: 38.143.19.130:51965

Available Versions

Stackable Heads 2.0release

MC 1.21, 1.21.1-rc1, 1.21.1, 24w33a, 24w34a, 24w35a, 24w36a, 24w37a, 24w38a, 24w39a, 24w40a, 1.21.2-pre1, 1.21.2-pre2, 1.21.2-pre3, 1.21.2-pre4, 1.21.2-pre5, 1.21.2-rc1, 1.21.2-rc2, 1.21.2, 1.21.3, 24w44a, 24w45a, 24w46a, 1.21.4-pre1, 1.21.4-pre2, 1.21.4-pre3, 1.21.4-rc1, 1.21.4-rc2, 1.21.4-rc3, 1.21.4, 25w02a, 25w03a, 25w04a, 25w05a, 25w06a, 25w07a, 25w08a, 25w09a, 25w09b, 25w10a, 1.21.5-pre1, 1.21.5-pre2, 1.21.5-pre3, 1.21.5-rc1, 1.21.5-rc2, 1.21.5, 25w14craftmine, 25w15a, 25w16a, 25w17a, 25w18a, 25w19a, 25w20a, 25w21a, 1.21.6-pre1, 1.21.6-pre2, 1.21.6-pre3, 1.21.6-pre4, 1.21.6-rc1, 1.21.6, 1.21.7-rc1, 1.21.7-rc2, 1.21.7, 1.21.8-rc1, 1.21.8fabric, forge, neoforge, quilt

June 30, 2025

Stackable Heads 2.0release

June 30, 2025

Stackable Heads 2.0release

May 17, 2025

Stackable Heads 2.0release

May 17, 2025

Stackable Heads 1.2.1release

MC 1.21, 1.21.1, 1.21.2, 1.21.3fabric, forge, neoforge, quilt

November 4, 2024

How to Install Stackable Heads on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.8).

Install Mod

Open the mod browser in the dashboard and search for "Stackable Heads". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

datapackfabricforgeneoforgequilt

Minecraft Versions

1.21.8, 1.21.8-rc1, 1.21.7 (+62 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Stackable Heads server crashes on startup – what to do?

Most common cause: wrong datapack 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 (1.21.8). You can switch loaders with one click in the panel.

Is Stackable Heads compatible with datapack and fabric and forge and neoforge and quilt?

Stackable Heads officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.8, 1.21.8-rc1, 1.21.7. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Stackable Heads – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Stackable Heads 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.