Who Cares About That
removes the "Accidentally adding the same item stack twice" crash
About this Mod
"what does this do?"
- prevents creative tab groups from throwing an IllegalStateException for adding a same item stack twice, instead just cancelling and not adding the second item stack
"why?"
- why not?
"this is a little stupid"
- yeah
Available Versions
How to Install Who Cares About That 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 (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "Who Cares About That". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5, 1.21.4, 1.21.3 (+2 more)
Server-side
~ OptionalRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Who Cares About 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 (1.21.5). You can switch loaders with one click in the panel.
Is Who Cares About That compatible with fabric?
Who Cares About That officially supports fabric for Minecraft 1.21.5, 1.21.4, 1.21.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Who Cares About That – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Who Cares About 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.
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Rent Modded Server
Install Who Cares About That with just one click on your server.