Advancements Screen Optimizer Mod (1.21.1, 1.21) – Fix Lag When Viewing Advancements

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Advancements Screen Optimizer Mod (1.21.1, 1.21) is a performance-focused utility that addresses a common issue in Minecraft: frame drops when opening the advancements screen. Despite being a seemingly lightweight menu, the advancements screen loads many textures at once, causing noticeable lag on many setups. This mod solves that problem by optimizing how those textures are handled, ensuring smoother gameplay even during achievement tracking.

Advancements Screen Optimizer Mod

Features:

  • Fixes Lag Spike on Open:
    Prevents FPS drops that occur when opening the advancements menu, especially in worlds with many completed advancements.
  • Optimized Texture Handling:
    Improves how Minecraft loads textures in the advancements UI, making it significantly more efficient.
  • Client-Side Only:
    Works without needing server-side installation perfect for single-player or multiplayer clients.
  • Works Seamlessly With Vanilla:
    Doesn’t modify gameplay or UI visuals just boosts performance during screen access.
  • Essential for Long-Term Worlds:
    Especially helpful for players with large worlds or modpacks that add many advancement tabs.

Screenshots:

Advancements Screen Optimizer Mod Screenshot 01

Advancements Screen Optimizer Mod Screenshot 02

Advancements Screen Optimizer Mod Screenshot 03

Advancements Screen Optimizer Mod Screenshot 04

Advancements Screen Optimizer Mod Screenshot 05

Requires:

Fabric API

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

How To Download & Install The Quilt Loader

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Why use Advancements Screen Optimizer Mod?

If you’ve ever opened your advancements screen and noticed your FPS plummet, you’re not alone. The issue becomes more prominent in modded Minecraft or long playthroughs with many unlocked advancements. Advancements Screen Optimizer Mod eliminates this problem entirely. It’s a simple, lightweight performance boost that feels like it should’ve been part of the vanilla game all along.

FAQs

Does this mod change how the advancements screen looks?

No. The UI and visuals remain completely vanilla—only the performance behind the scenes is improved.

Is this a client-side or server-side mod?

It is entirely client-side. You do not need to install it on a server for it to work.

Does it work with other advancement mods?

Yes, it is compatible with most mods that add custom advancements, as it doesn’t modify the advancement data or structure.

What versions of Minecraft does this fix apply to?

The issue affects versions up to 1.21.1. This mod is specifically designed for 1.21.1 and 1.21 but may benefit similar future versions.

Will this improve FPS in other menus?

No, the optimization is specific to the advancements screen and doesn’t impact inventory or other UI screens.

1.21.1, 1.21