Fix Shift Twice

This mod fix when player crouching so when player press a shift in game player will crouching twice instead once and this mod will fix

47 Downloads

fabricoptimizationutility

Rent Server with this Mod

About this Mod

Fix Shift Twice

this mod fix when user press a shift player should crouching just once but it crouching twice instead just once

this mod borrows from Sneak Tweak and SneakFix

Link for Sneak Tweak : https://www.curseforge.com/minecraft/mc-mods/sneak-tweak
Link for SneakFix : https://modrinth.com/mod/sneakfix

this mod fix from bug that still existing in game and never get fix

Link Bug Report : https://bugs.mojang.com/browse/MC/issues/MC-159163

thanks @SJKZ1 for help

Available Versions

Fix Shift Twice 1.0.0release

MC 1.21.11fabric

May 29, 2026

How to Install Fix Shift Twice 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 (1.21.11).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Fix Shift Twice 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 (1.21.11). You can switch loaders with one click in the panel.

Is Fix Shift Twice compatible with fabric?

Fix Shift Twice officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Fix Shift Twice – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Fix Shift Twice 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.