How do I install Flashback Fixes?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Flashback Fixes work with?

The listing gives Minecraft 1.21.11. This is the version stated by the author or source site, not something we verified ourselves.

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Flashback Fixes

by wSmoothie · on Modrinth

An addon to Flashback 1.21.11 that patches bugs. Currently fixes the reset GUI bug that happens on Lunar Client and a crash that occurs when previewing…

⬇ Download on Modrinth

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UNBAN ME FROM THE FLASHBACK DISCORD

An small addon to Flashback 1.21.11 0.39.5 that patches bugs.

Current fixes:

Lunar Client GUI layout not saving
Crash that occurs when previewing keyframes on a cropped aspect ratio
Network protocol error from replayed mod custom payloads
Apply skin via username (and see skin history) (0.1.2)

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.11
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Ships as flashback-fixes-0.1.2.jar — drop this file into the mods folder
Download size: 23 KB
Download link checked 29 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

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