Don't Do That

Don't Do That

Stops Minecraft from doing certain annoying things.

by
5.5K Downloads
fabricquiltcursedoptimizationutility
Rent Server with this Mod

About this Mod

Don't Do That

Stops Minecraft from doing certain annoying things.

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Badge showing the amount of downloads on curseforge
Badge linking to issues on github

Current features:

  1. Makes chat history a lot longer (65536 messages instead of 100)
  2. "Removes" the chat command character limit (2147483647 characters instead of 256)
  3. Makes chat suggestions more lenient
    • Identifier suggestions suggest all namespaces instead of just minecraft
    • Literal suggestions match if they contain the input instead of just starting with it
  4. Makes command exceptions log errors if not handled by the command
  5. Prevents deletion of unknown options from your options.txt file
    • DDT stores unread lines from options.txt and writes them at the end of the file when saving
  6. Removes multiple annoying popups
    • Here be dragons
    • Resource/Data pack version mismatch
  7. Removes arbitrary minimum loading times on certain loading screens
  8. Makes deleting worlds send them to the recycling bin instead of deleting them (if possible)
  9. Makes "Pinned" resource packs able to be moved/disabled (server provided or otherwise)
  10. Allows GUIs to be opened while standing in portals

Pre 1.21.9 Only (added to vanilla in 1.21.9)

  1. Makes overlapping keybindings work

Available Versions

[1.21.9] Don't Do That - 1.4.1release
MC 1.21.9fabric, quilt
October 3, 2025
[1.21.5+] Don't Do That - 1.4.1release
MC 1.21.5, 1.21.6, 1.21.7, 1.21.8fabric, quilt
October 3, 2025
[1.21.5] Don't Do That - 1.4.0release
MC 1.21.5fabric, quilt
October 3, 2025
[1.21.4] Don't Do That - 1.4.0release
MC 1.21.4fabric, quilt
October 3, 2025
Don't Do That 1.21-1.21.2_1.3.0 for 1.21+release
MC 1.21, 1.21.1, 1.21.2fabric, quilt
June 13, 2025

How to Install Don't Do That on Your Server

1

Order Server

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

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.9).

3

Install Mod

Open the mod browser in the dashboard and search for "Don't Do That". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricquilt

Minecraft Versions

1.21.9, 1.21.8, 1.21.7 (+6 more)

Server-side

~ Optional

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Don't Do That 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 (1.21.9). You can switch loaders with one click in the panel.

Is Don't Do That compatible with fabric and quilt?

Don't Do That officially supports fabric, quilt for Minecraft 1.21.9, 1.21.8, 1.21.7. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Don't Do That – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Don't Do That 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.

Rent Modded Server

Install Don't Do That with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v3.0 only
Server-side
Optional

Supported Versions

1.21.91.21.81.21.71.21.61.21.51.21.41.21.21.21.11.21