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    2,055,424 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 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Stutterfix Refoxed

    Mod

    Reduce stuttering when generating new chunks.

    B86/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 14
    • ReleasesLatest 3 Sep

    Download

    stutterfix-mc1.21.1-0.2.4.jar

    Released 3 Sep 2026 · 236.8 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases
    • Public source code

    Points lost

    • First release only 2 months ago−7 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points21 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 weeks ago (3 Sep 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.1.21.1 on NeoForge. 15% or more of the popular mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Does not apply. The project is under 6 months old.

    • Stability

      Full points15 / 15
      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.2 of the 11 modpacks with two or more versions removed it in a later one (18%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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.None 5 / 5

    • Transparency

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · manel740/Stutterfix-Refoxed 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.70,882 3 / 4

    • Track record

      7 points lost1 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2 months, 2 releases 1 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total86 / 100

    47.4 of the 55 points that apply = 86 out of 100. The points above are rounded to whole numbers.

    About

    Stutterfix Refoxed is a NeoForge port of StutterFix that lets you tune Minecraft’s main thread behavior to reduce stuttering, especially during chunk generation. Its five configurable options cover the number of worker threads used for tasks such as generating chunks, the cutoff between normal- and minimum-priority workers, render-thread priority, and server-thread priority in singleplayer, along with an option to remove the render loop’s yield call. Using fewer worker threads can reduce CPU overhead and stuttering but slows chunk generation, while lowering the priority of some workers can help reduce stuttering; removing yield can make frame rates more stable. The worker-thread count and priority cutoff have little effect on client-side generation stutter in multiplayer because the server generates the world, and the yield option is hidden when VulkanMod is detected for compatibility. The mod can also hide the game interface through its configuration file, and is recommended alongside Sodium and Concurrent Chunk Management Engine (C2ME). It does not address stuttering caused by the garbage collector.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas: Game coreChanges 2 game code files in this area: the main loop, lighting and other code the whole game uses., Game optionsChanges 1 game code file in this area: settings, key bindings and the option screens. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds no new blocks, items or other content.

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

    Details

    Creator
    manel740
    License
    Not known
    Downloads
    71K
    Created
    15 Aug 2026
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

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

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file 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 · The latest file 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.
      1 latest file, for a recent version. 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
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, 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 · Its one file 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 its one file, for recent Minecraft versions. See each file in Releases

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its texts, files and images and found none.

    We have not read its code history yet.

    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 · 4 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.
      Not on Modrinth.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • 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
      2 of 4 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
      10 code files read

    Compatibility

    See all 2 files
    NeoForge
    1.2126.126.2

    Point at or tap a version to see its loaders.

    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.No file yet for the newest Minecraft version.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Stutterfix Refoxed in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    KEO RPG optimized314K downloadslast version with it 16 Sep 2026JOSEFO'S PACK 229K downloadslast version with it 17 Oct 2026FOXY COZY28K downloadslast version with it 14 Sep 2026FOXY COZY LITE6.8K downloadslast version with it 1 Sep 2026bencreate319 downloadslast version with it 25 Sep 2026XMan Presents - Limitless Horizons316 downloadslast version with it 23 Aug 2026Create-Casual Soulslike RPG206 downloadslast version with it 20 Oct 2026Tensura - A Humans Uproar196 downloadslast version with it 23 Oct 2026EldoriaMC169 downloadslast version with it 21 Sep 2026downtown surface157 downloadslast version with it 19 Oct 2026
    1 to 10 of 1412

    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
    1.21.1·NeoForge0.2.40.2.4 · stutterfix-mc1.21.1-0.2.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    2 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge0.2.40.2.4 · stutterfix-mc1.21.1-0.2.4.jar·3 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 236.8 KB
    1.21.1·NeoForge0.2.30.2.3 · stutterfix-mc1.21.1-0.2.3.jarBeta·15 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 24.4 KB