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    2,054,198 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,438 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    ModernFix-mVUS

    Mod

    A performance mod for game versions the original does not support.

    A96/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityUp to 26.3
    • ModpacksIn 1,919
    • ReleasesLatest 13 Oct

    Download

    modernfix-5.27.20-build.2.jar

    Released 25 Sep 2026 · 1.1 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for the newest Minecraft versions
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−2 points
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.11 days ago (13 Oct 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.3 on NeoForge and Fabric (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 10 of the last 24 months 6 / 6

    • Stability

      2 points lost20 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.15 of the 290 modpacks with two or more versions removed it in a later one (5%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.7 of its 34 releases in 2 years needed a quick fix (21%) See the 7 releases5 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.1 known conflict, but it does not count in the grade See the known conflict5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · coredex-source/ModernFix---mVUS 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · coredex-source/ModernFix---mVUS 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.14,210,777 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.12 months, 72 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 19 latest files for recent Minecraft versions. See Security
    Total96 / 100

    68.5 of the 71 points that apply = 96 out of 100. The points above are rounded to whole numbers.

    About

    ModernFix-mVUS is a fork that brings ModernFix builds to Minecraft versions not covered by the official mod, while skipping versions once the official mod supports them. It carries ModernFix’s performance and memory optimizations, launch-time improvements, bug fixes and patches for older-version mods, as well as diagnostic tools for investigating crashes and freezes. ModernFix also includes an optional, compatibility-sensitive model-loading redesign that loads models dynamically to reduce loading times and memory use. The fork’s Fabric support is limited to versions that receive a NeoForge release of the original mod.

    Written from Modrinth and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 14 areas: Game data and resourcesChanges 13 game code files in this area: recipes, tags, advancements, language files and other game data., World generationChanges 13 game code files in this area: terrain, biomes and structures made when new land is created., Rendering and graphicsChanges 13 game code files in this area: drawing mobs, items, particles and textures on screen., User interfaceChanges 12 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., Game coreChanges 9 game code files in this area: the main loop, lighting and other code the whole game uses., Chunk loading and storageChanges 8 game code files in this area: how the game loads, tracks, saves and unloads chunks., Server and world logicChanges 6 game code files in this area: the world, commands, scoreboards, saved data and game rules., Blocks and fluidsChanges 6 game code files in this area: how blocks, fluids and redstone work., Networking and multiplayerChanges 4 game code files in this area: connections, the server list and what is sent between your game and a server., Mobs and their behaviorChanges 4 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., World renderingChanges 2 game code files in this area: drawing the terrain, sky, clouds and weather., Inventory and itemsChanges 2 game code files in this area: items, chests and other containers, crafting and enchanting., PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls. and SoundChanges 1 game code file in this area: playing sounds, music and the sound engine..

    Adds 1 key binding: Open config screen.

    Counted from the names and data files in the mod, so the list may not be complete.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    LithiumAFerriteCoreAMod MenuASodium ExtraAConcurrent Chunk Management Engine (Fabric)A

    Details

    Creator
    Coredex
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    14.2M
    Created
    18 Oct 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Only in its files for Fabric 26.1 to 26.3; NeoForge 26.2 to 26.3.
    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Found in the mod's own code and in MixinExtras, a library it includes. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 2 files in your config folder.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 19 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      19 latest files: the newest file for each Minecraft version and loader. All 19 are for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Uses folders outside the game
      Reads launcher files.Uses the system folder for application data.Finds the Minecraft folder.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 19 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 19 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    AI was used for its code

    Claude Code is named in the files of its repository.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 6 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      A Claude Code file .claude
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      24 of 40 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      1 image read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      771 code files read

    Compatibility

    See all 72 files
    Fabric
    NeoForge
    1.2126.126.2

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Works in your game or on a server. With both, you get extra features.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Faster than most mods. On average, it gets a file 7 days after a new Minecraft version comes out. Measured on the last 4 Minecraft versions.

    Known conflicts

    These projects do not work together with ModernFix-mVUS: their authors or ModernFix-mVUS' author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as ModernFix-mVUS, so you only need one.

    ProjectTypeDownloadsDeclared by
    ui utils+Mod1.8K downloadsdeclared by ui utils+

    Related projects

    Projects that need ModernFix-mVUS to work.

    ProjectTypeDownloadsGrade
    GRIFFO - LITE100%Modpack: 100% of its graded mods are A or BModpack274 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    5002500
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 0 modpacksJul 2025: 0 modpacksAug 2025: 0 modpacksSep 2025: 0 modpacksOct 2025: 45 modpacksNov 2025: 135 modpacksDec 2025: 194 modpacksJan 2026: 273 modpacksFeb 2026: 254 modpacksMar 2026: 343 modpacksApr 2026: 310 modpacksMay 2026: 331 modpacksJun 2026: 407 modpacksJul 2026: 465 modpacksAug 2026: 475 modpacksSep 2026: 478 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Jan 2026273
    Feb 2026254
    Mar 2026343
    Apr 2026310
    May 2026331
    Jun 2026407
    Jul 2026465
    Aug 2026475
    Sep 2026478

    More modpacks put it in their new versions than a year ago: 411 a month now, 0 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    1,919 modpacks include ModernFix-mVUS in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Fabulously Optimized27.4M downloadslast version with it 20 Oct 2026Immersed With Shaders4.5M downloadslast version with it 19 Oct 2026Vanilla Perfected3M downloadslast version with it 8 Oct 2026SkyBlock Enhanced2.1M downloadslast version with it 23 Oct 2026Fresh & Smooth1.9M downloadslast version with it 16 Oct 2026Boosted FPS (Performance Optimized) (FB)1.6M downloadslast version with it 19 Oct 2026Remarkably Optimized1.5M downloadslast version with it 16 Oct 2026OneClient1.3M downloadslast version with it 23 Oct 2026红石生电优化【Redstone Survival Optimization】1.3M downloadslast version with it 10 Jun 2026OneClient (SkyBlock)1M downloadslast version with it 23 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with ModernFix-mVUS. Share: how many of the modpacks with ModernFix-mVUS also have that mod.

    ProjectTypeShareGrade
    LithiumAModin 96% of the modpacks with ModernFix-mVUSFerriteCoreAModin 95% of the modpacks with ModernFix-mVUSMod MenuAModin 90% of the modpacks with ModernFix-mVUSSodium ExtraAModin 78% of the modpacks with ModernFix-mVUSConcurrent Chunk Management Engine (Fabric)AModin 73% of the modpacks with ModernFix-mVUSReese's Sodium OptionsAModin 67% of the modpacks with ModernFix-mVUSBadOptimizationsAModin 66% of the modpacks with ModernFix-mVUSDynamic FPSAModin 65% of the modpacks with ModernFix-mVUSScalableLuxAModin 56% of the modpacks with ModernFix-mVUSZoomify (Zoom)AModin 56% of the modpacks with ModernFix-mVUS
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    26.3·Fabric5.27.20-build.25.27.20-build.2 · modernfix-5.27.20-build.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge5.27.235.27.23 · modernfix-neoforge-5.27.23+mc26.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric5.27.19-build.25.27.19-build.2 · modernfix-5.27.19-build.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge5.27.215.27.21 · modernfix-neoforge-5.27.21+mc26.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric5.27.19-build.15.27.19-build.1 · modernfix-5.27.19-build.1-26.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric5.26.3-build.25.26.3-build.2 · modernfix-5.26.3-build.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge5.21.05.21.0 · modernfix-neoforge-5.21.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Fabric5.20.65.20.6 · modernfix-fabric-5.20.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·NeoForge5.20.65.20.6 · modernfix-neoforge-5.20.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9·Fabric5.20.65.20.6 · modernfix-fabric-latest.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1912

    72 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge5.27.235.27.23 · modernfix-neoforge-5.27.23+mc26.3.jar (main file)·13 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 478.6 KB
    26.4-snapshot-2·Fabric5.27.20-build.25.27.20-build.2 · modernfix-5.27.20-build.2.jar (main file)Beta·30 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Beta · 1.1 MB
    1.21.11The latest file for its Minecraft version and loader·Fabric5.26.3-build.25.26.3-build.2 · modernfix-5.26.3-build.2.jar (main file)·28 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 616.1 KB
    1.21.10The latest file for its Minecraft version and loader·NeoForge5.20.65.20.6 · modernfix-neoforge-5.20.6.jar (main file)·28 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 464.8 KB
    1.21.10The latest file for its Minecraft version and loader·Fabric5.20.65.20.6 · modernfix-fabric-5.20.6.jar (main file)·28 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 418.7 KB
    26.3The latest file for its Minecraft version and loader·Fabric5.27.20-build.25.27.20-build.2 · modernfix-5.27.20-build.2.jar (main file)·25 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    26.2The latest file for its Minecraft version and loader·Fabric5.27.19-build.25.27.19-build.2 · modernfix-5.27.19-build.2.jar (main file)·25 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    26.4-snapshot-1·Fabric5.27.20-snapshot-15.27.20-snapshot-1 · modernfix-5.27.20-build.1.jar (main file)Beta·23 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 1.1 MB
    26.3·NeoForge5.27.235.27.23 · modernfix-neoforge-5.27.23+mc26.3.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 478.6 KB
    26.2The latest file for its Minecraft version and loader·NeoForge5.27.215.27.21 · modernfix-neoforge-5.27.21+mc26.2.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 493.7 KB
    26.3·Fabric5.27.205.27.20 · modernfix-5.27.20-build.1.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    26.2·NeoForge5.27.205.27.20 · modernfix-neoforge-5.27.20+mc26.2.jar (main file)·27 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 491.4 KB
    26.2·NeoForge5.27.195.27.19 · modernfix-neoforge-5.27.19+mc26.2.jar (main file)·3 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 489.3 KB
    26.2·Fabric5.27.19-build.15.27.19-build.1 · modernfix-5.27.19-build.1.jar (main file)·3 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    26.3-snapshot-2·Fabric5.27.19-build.15.27.19-build.1 · modernfix-5.27.19-build.1.jar (main file)Beta·3 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 1.1 MB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric5.27.19-build.15.27.19-build.1 · modernfix-5.27.19-build.1.jar (main file)·3 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 700.4 KB
    26.3-snapshot-1·Fabric5.27.18-build.15.27.18-build.1 · modernfix-5.27.18-build.1.jar (main file)Beta·23 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 1.1 MB
    26.2·Fabric5.27.18-build.15.27.18-build.1 · modernfix-5.27.18-build.1.jar (main file)·19 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    26.2·NeoForge5.27.185.27.18 · modernfix-neoforge-5.27.18+mc26.2.jar (main file)·18 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 462.6 KB
    26.2·Fabric5.27.17-build.35.27.17-build.3 · modernfix-5.27.17-build.3.jar (main file)·18 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1 to 20 of 721234

    Quick fixes

    In the last 2 years, 7 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 2 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.7

    • 5.27.18-build.119 Jun 2026
    • 5.25.2-build.44 Jan 2026…Added support for custom fabric models. - Fixes incompat with Travelers Backpacks.
    • 5.25.2-build.32 Jan 2026Fixed item frames with Dyanmic Resouorces. - Fixed a potential…
    • 5.21.01 Jan 2026Fix Dynamic Resources not loading resource pack client items…
    • 5.25.21 Jan 2026…to 1.21.11 and 26.1 (Orignal ModernFix) - Fixes almost all issues caused by legacy Dynamic Resources…
    • 5.20.931 Dec 2025Fix litematica black screen with dynamic resources.
    • 5.20.5-beta.1+mc1.21.521 Oct 2025