NoChatLag [Fabric & Forge] [1.16-1.18]
Modby NoahvdAa
NoChatLag fixes lagspikes caused by chat by checking the blacklist on a different thread.
Type
Mod
CurseForge Downloads
909,958
CurseForge ID
565368
Last Updated
Jul 27, 2026
Description
The default download is for Fabric. To download the Forge version, go to the files tab!
A couple of days ago, something changed in Mojang's blocked users API, causing the client to
not properly load the list of blocked users on start. Because of this, the client will attempt to
fetch the blocklist every two minutes when the chat is being rendered. This loading is done on
the same thread as the rendering, causing the game to freeze until Mojang's API returns a response.
Since the requests takes a while to complete, this will cause a noticeable lag spike.
This issue is being tracked in Mojira issue WEB-5587.
If you want to support me and my work, consider sponsoring me on Github Sponsors. ❤️
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