Change your GL version in a breath.

Change your GL version in a breath.
GLass is a lightweight Minecraft mod that allows you to customize the OpenGL version through a config file. It lets you force Minecraft to run with a specific OpenGL version, either to enforce a higher context or to fix compatibility issues on outdated hardware.
Default OpenGL version is 4.1, you can set it under config/gl.ass through format:
major
minor
Example:
4
1
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