Gundam Performance Fixes

Gundam Performance Fixes

Targeted performance and compatibility fixes for Minecraft 1.21.1 on NeoForge. Gundam Performance Fixes works as a standalone mod. Each optional integration activates when its supported target mods are present.

Included fixes

• Functional Storage — Reduces repeated controller membership checks while preserving live inventory contents, drawer order, and insertion and extraction behavior.
• AvaritiaNeo — Speeds up compressor recipe lookups while preserving matching order and recipe reload behavior.
• Colossal Chests — Reduces initial inventory synchronization work. When both sides support it, a compact binary format sends less data when opening large chests. Mixed installations use the original protocol.
• JEI Crafting Tree + Colossal Chests — Tracks inventory changes to avoid repeatedly checking every slot in a chest.
• Iris — Avoids redundant framebuffer binds and the native graphics calls they trigger.
• NeoForge + Sodium + Iris — Decodes standard baked quads directly while preserving geometry, colors, lighting, shader attributes, and texture animation tracking. Custom quads and modified lighting or normal hooks keep their original rendering path.
• owo-lib + Iris — Keeps framebuffer tracking consistent with the supported blur renderer.
• Windows window placement — Corrects the position of an already-maximized window after loading. When you leave fullscreen with F11, Minecraft fits back into the monitor’s work area above the taskbar.
• Fullscreen loading — Fills the NeoForge loading overlay when using Simple Custom Early Loading in fullscreen.
• Applied vs Refined Neo menu artwork — When enabled by the modpack, restores the current menu background, logos, and button textures. Legacy Simple Menu files are archived so they cannot overwrite the current artwork.

Compatibility

Minecraft 1.21.1 · NeoForge · Java 21

Install on the client, the server, or both. Graphics and window fixes run on the client. Inventory and recipe fixes run where applicable. The compact Colossal Chests synchronization format requires the mod on both client and server.

Optional integrations check the installed target versions. Updating a target outside its supported range can disable that integration while the other fixes remain available.

Keep the normal dependencies of the mods you use. The JEI Crafting Tree integration was tested with JEI 19.69.0.457.

The fixes preserve recipes, storage capacity, machine throughput, farm operation, simulation distance, and shader quality. Performance gains vary with the active integrations and the workload.