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Optimized CoreMinecraft modpack for 26.3

This is a modpack core that optimizes the game. Mainly meant as a base for your own modpack/instance. It only contains optimization mods and for this reason it achives the BEST performance of any modpack!

client onlynewest supported release 26.3OptimizationLightweightMultiplayer
Latest version
2.4
Minecraft
1.7.10 to 26.3
Java
Java 25+
Loaders
Fabric, Quilt, NeoForge, Forge
Licence
CC-BY-NC-SA-4.0
Downloads
5.3k
Updated
6 d ago
Available on
Modrinth
Space NodeOur hosting

Host Optimized Core servers

One click and Optimized Core is installed with the right loader, on hardware built for it.

  • 26.3
  • Fabric
  • Quilt
  • NeoForge
  • Forge
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other modpacks
MinecraftThroughJavaEvidenceReleased
26.3Fabric, Quilt, NeoForge, Forge25+declared15 Sept 2026
26.2Forge, Quilt, NeoForge, Fabric25+declared16 Jun 2026
26.1.2Forge, Quilt, NeoForge, Fabric25+declared9 Apr 2026
26.1.1Forge, Quilt, NeoForge, Fabric25+declared1 Apr 2026
26.1Forge, Quilt, NeoForge, Fabric25+declared24 Mar 2026
1.21.11Forge, Quilt, NeoForge, Fabric21+declared9 Dec 2025
1.21.10Forge, Quilt, NeoForge, Fabric21+declared7 Oct 2025
1.21.9Forge, Quilt, NeoForge, Fabric21+declared30 Sept 2025
1.21.8Forge, Quilt, NeoForge, Fabric21+declared17 Jul 2025
1.21.7Fabric, Quilt, NeoForge, Forge21+declared30 Jun 2025
1.21.6Fabric, Quilt, NeoForge, Forge21+declared17 Jun 2025
1.21.5Forge, Quilt, NeoForge, Fabric21+declared25 Mar 2025
1.21.4Forge, Quilt, NeoForge, Fabric21+declared3 Dec 2024
1.21.3Forge, Quilt, NeoForge, Fabric21+declared23 Oct 2024
1.21.2Forge, Quilt, NeoForge, Fabric21+declared22 Oct 2024
1.21.1Forge, Quilt, NeoForge, Fabric21+declared8 Aug 2024
1.21Forge, Quilt, NeoForge, Fabric21+declared13 Jun 2024
1.20.6Forge, Quilt, NeoForge, Fabric21+declared29 Apr 2024
1.20.5Forge, Quilt, NeoForge, Fabric21+declared23 Apr 2024
1.20.4Forge, Quilt, NeoForge, Fabric17+declared7 Dec 2023
1.20.3Fabric, Forge, NeoForge, Quilt17+declared4 Dec 2023
1.20.2Fabric, Quilt, NeoForge, Forge17+declared20 Sept 2023
1.20.1Forge, Quilt, NeoForge, Fabric17+declared12 Jun 2023
1.20Forge, Quilt, NeoForge, Fabric17+declared2 Jun 2023
1.19.4Forge, Quilt, NeoForge, Fabric17+declared14 Mar 2023
1.19.3Forge, Quilt, NeoForge, Fabric17+declared7 Dec 2022
1.19.2Forge, Quilt, NeoForge, Fabric17+declared5 Aug 2022
1.19.1Forge, Quilt, NeoForge, Fabric17+declared27 Jul 2022
1.19Forge, Quilt, NeoForge, Fabric17+declared7 Jun 2022
1.18.2Forge, Quilt, NeoForge, Fabric17+declared28 Feb 2022
1.18.1Forge, Quilt, NeoForge, Fabric17+declared10 Dec 2021
1.18NeoForge, Quilt, Forge, Fabric17+declared30 Nov 2021
1.17.1Fabric, Quilt, NeoForge, Forge16+declared6 Jul 2021
1.17Forge, Quilt, NeoForge, Fabric16+declared8 Jun 2021
1.16.5Forge, Quilt, NeoForge, Fabric8+declared14 Jan 2021
1.16.4Forge, Quilt, NeoForge, Fabric8+declared29 Oct 2020
1.16.3Forge, Quilt, NeoForge, Fabric8+declared10 Sept 2020
1.16.2Forge, Quilt, NeoForge, Fabric8+declared11 Aug 2020
1.16.1Forge, Quilt, NeoForge, Fabric8+declared24 Jun 2020
1.15.2Forge, Quilt, NeoForge, Fabric8+declared17 Jan 2020

2 older versions not shown.

Download

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

For Minecraft 26.3

Choose the loader you use before downloading.

  • Fabric

    0.2 · 4 Oct 2026 · Optimized Core v0.2 MC 26.3 0.2.mrpack

    Get Fabric

Most recently published release

2.4release15 Oct 2026

Optimized Core v2.4 MC 26.2 2.4.mrpack · 6 KB · for 26.2 · Fabric

Download this release
c31a176f5191…
Older versions16
  • 0.24 Oct 202626.35 KBf628fc474b86…Get
  • 2.34 Oct 202626.26 KB573b7851d113…Get
  • 2.24 Oct 202626.24 KB3fe8ae688ce2…Get
  • 2.14 Oct 202626.25 KBcf3778e54fc2…Get
  • 0.127 Sept 202626.35 KBcba32d47b74c…Get
  • 1.428 Jul 202626.26 KB12 downloads8fd9015e8642…Get
  • 1.328 Jul 202626.24 KB15 downloads593379ee58d1…Get
  • 1.228 Jul 202626.25 KB2 downloads3eed89e6cc51…Get
  • 1.120 Jul 202626.25 KB8 downloads061c3a51ec46…Get
  • 1.012 Jul 202626.25 KB5 downloadse20bada52dc2…Get
  • 2.025 Jun 202626.1.26 KB6 downloadse18ef9c84514…Get
  • 1.825 Jun 202626.1.24 KB10 downloadsb74339e416be…Get
  • 1.911 Jun 202626.1.26 KB16 downloads9d2678d43b67…Get
  • 1.711 Jun 202626.1.24 KB23 downloadsf6b86cd4fea1…Get
  • 1.631 May 202626.1.24 KB9 downloads1559e285ef72…Get
  • 1.525 May 202626.1.24 KB32 downloads44d2ce2d5122…Get

Frequently asked

Does Optimized Core work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version Optimized Core 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 Optimized Core support?

Everything the author has declared, from 1.7.10 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Optimized Core 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 Optimized Core support?

Fabric, Quilt, NeoForge, 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 Optimized Core?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Optimized Core under?

CC-BY-NC-SA-4.0, 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 Optimized Core?

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 Optimized Core 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available 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)Simply Optimized ReloadedAn unofficial port of Simply Optimized built to support every major mod loader and stay current with the newest versions of Minecraft.PacktrixPre-packed Official Modpack containing Patrix Resource Pack for easy install using Fabric/Quilt.FPS+ PvP Boost | Ultimate FPS & Combat Client [ Every Version ]Ultra-lightweight FPS boost & PvP modpack for Fabric. Boost FPS on low-end PCs with Sodium optimizations, lower input lag, cleaner visuals, and combat HUD tweaks built for Hypixel Bedwars, Duels, PotPvP & CPVP. Maximize frames and dominate fights.香草精华 Vanilla EssenceFaithful to the origional. Better vanilla experience without any new blocks or mobs

Details from Modrinth, where the author last updated it on 31 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .