zlib Updated - NVSE

newvegas — Mods & Enhancements

This mod updates the zlib compression library in New Vegas to the latest version, resulting in faster loading times and reduced stutter. It's a small but popular utility mod with over 4,300 endorsements and a million downloads, last updated in March 2024.

📦 Full mod page on discovermods

Downloads, ratings, compatibility info, installation guides, and user reviews.

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Syntax

General

Example

Downloads: 1,004,916

💡 Notes

By WallSoGB Jean-loup Gailly Mark Adler

🎯 Tips & Tricks

Make sure you have NVSE installed and working before adding

Make sure you have NVSE installed and working before adding this mod—it's required.

Place the files in your Data folder and enable the plugin in

Place the files in your Data folder and enable the plugin in your mod manager or launcher.

If you're using a mod manager like Vortex or MO2, let it han

If you're using a mod manager like Vortex or MO2, let it handle the file placement to avoid conflicts.

🔧 Troubleshooting

Mod conflicts

Check load order. Disable conflicting mods one by one.

⚠️ Common Mistakes

Installing without checking requirements

👍 Pros

Community-approved with 4,331 endorsements and a million downloads—this is a must-have for many.
Directly addresses common performance issues: faster loading and less stutter.
Lightweight and focused—does one thing and does it well.

👎 Cons

No detailed installation instructions provided by the author.
Requires NVSE, which is an extra dependency to set up.
May not be necessary if you already have a mod that bundles zlib updates.

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