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FlawlesslyOptimizedMinecraft modpack for 1.21.1

[1.21.1 | 1.20.1] [NeoForge🦊 | Forge⚒️] An open-source modpack that improves the overall UX and the game's performance and visuals, while focusing on complete OptiFine-parity.

client onlynewest supported 1.21.1OptimizationLightweightMultiplayer
Latest version
1.1.0+neo.1.21.1
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Fabric, Forge
Licence
Apache-2.0
Downloads
3.3k
Updated
22 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version FlawlesslyOptimized declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Fabric, Forge21+declared8 Aug 2024
1.21Forge, Fabric, NeoForge21+declared13 Jun 2024
1.20.1Fabric, NeoForge, Forge17+declared12 Jun 2023

Download

From FlawlesslyOptimized’s own host. Nothing is re-hosted here.

1.1.0+neo.1.21.1release24 Nov 2024

FlawlesslyOptimized 1.1.0+neo.1.21.1.mrpack · 0.0 MB · for 1.21.1

Download latest
be4ad0d5bf01…
Older versions13
  • 1.1.0+forge.1.20.124 Nov 20241.20.10.2 MB442 downloads651eb274667a…Get
  • 1.0.4+fabric.1.2125 Jul 20241.210.0 MB304 downloads9944f78ea7d9…Get
  • 1.0.4+neo.1.20.125 Jul 20241.20.116.5 MB254 downloads627bb11a94c0…Get
  • 1.0.4+forge.1.20.125 Jul 20241.20.116.5 MB247 downloads1e9cb05cd693…Get
  • 1.0.3+fabric.1.2110 Jul 20241.210.0 MB175 downloads8c945d613f58…Get
  • 1.0.3+neo.1.20.110 Jul 20241.20.116.5 MB130 downloads29aec4ed3b24…Get
  • 1.0.3+forge.1.20.110 Jul 20241.20.116.5 MB142 downloads0b54bea6c48f…Get
  • 1.0.2+fabric.1.219 Jul 20241.210.0 MB116 downloads837022512ac0…Get
  • 1.0.2+neo.1.20.19 Jul 20241.20.116.5 MB130 downloadse66e397c3ee9…Get
  • 1.0.2+forge.1.20.19 Jul 20241.20.116.5 MB116 downloadsa6768f638e2b…Get
  • 1.0.1+fabric.1.217 Jul 20241.210.0 MB128 downloadsa0f1d1adf206…Get
  • 1.0.0+fabric.1.2126 Jun 20241.210.0 MB145 downloads07edea2003d8…Get
  • 1.0.0+fabric.1.20.126 Jun 20241.20.10.0 MB154 downloadsf35d230e926e…Get

Frequently asked

Does FlawlesslyOptimized work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version FlawlesslyOptimized declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does FlawlesslyOptimized support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install FlawlesslyOptimized on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does FlawlesslyOptimized support?

NeoForge, Fabric, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for FlawlesslyOptimized?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the modpack itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is FlawlesslyOptimized under?

Apache-2.0, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install FlawlesslyOptimized?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download FlawlesslyOptimized safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Re-ConsoleA continued Legacy Console Edition experience, expanded upon with modern Java Edition content and QoL! (An Official Legacy4J Project)MAX FPS: Optimized🚀 MAX FPS WITHOUT UNNECESSARY MODS! Only 16 optimization mods - NOTHING EXTRA! ✅ ALL MAJOR VERSIONS ⚡ INSTALLS ON ANY LAUNCHER! (Guide below)PacktrixPre-packed Official Modpack containing Patrix Resource Pack for easy install using Fabric/Quilt.Simply Optimized ReloadedAn unofficial port of Simply Optimized built to support every major mod loader and stay current with the newest versions of Minecraft.ElixirA well-researched performance & optimization modpack to make the game run smoother! With shader & Fresh Animations support. 26.3 ✔OptimumFuse[1.21.5] [Fabric📜] An open-source modpack that improves the game's performance and visuals, inspired by OptiFine, while staying true to the vanilla Minecraft experience.

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

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