Download the Wurst-Client-v7.15.1-MC21w19a.jar from the official Wurst website and place it in your .minecraft/mods folder. Wurst 7.15.1 - Bugfixes - WurstClient.net
Wurst v7.15.1 is a legacy version of the Wurst Hacked Client, specifically released to support (a development build for version 1.17). This update was primarily a maintenance release focused on bug fixes for snapshot-specific crashes. Key Features and Bug Fixes Download Wurst v7.15.1 MC21w19a
You must have this specific snapshot profile created in your Minecraft Launcher. Download the Wurst-Client-v7
Fixed a crash triggered by entering invalid potion effects into the .potion command. Download Wurst v7.15.1 MC21w19a
Ensure you use a version patched against the Log4Shell exploit.
Fixed a critical issue where MobSpawnESP would crash the game in Minecraft 21w19a and newer versions.