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    2,046,932 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    StellarCreateOptimization

    Mod

    Large factories run smoother with fewer slowdowns and visual stutters.

    C71/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AIAI images
    • CompatibilityUp to 1.21.1
    • ModpacksIn 34
    • ReleasesLatest 6 Oct

    Download

    stellarcreateoptimization-neoforge-1.21.1-1.1.1fix.jar

    Released 6 Oct 2026 · 2.5 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

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

    Points lost

    • No source code link−7 points
    • First release only 3 months ago−6 points
    • Some modpacks removed it−2 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.3 weeks ago (6 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.1.21.1 on NeoForge, 1.20.1 on Forge. 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

      2 points lost13 / 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.4 of the 28 modpacks with two or more versions removed it in a later one (14%) See the 4 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Does not apply. The project is under 6 months old.
      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

      7 points lost0 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 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.55,570 3 / 4

    • Track record

      6 points lost2 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3 months, 20 releases 2 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total71 / 100

    39.2 of the 55 points that apply = 71 out of 100. The points above are rounded to whole numbers.

    About

    Stellar Create Optimization is a performance addon for Create that reduces client rendering and server tick costs in large automated factories while retaining Create’s gameplay behavior, animations, and safe rendering fallbacks. It optimizes a broad range of machinery and factory systems, including chutes, transport belts, factory gauges, encased fans, blaze burners, kinetic machines, water wheels, chain conveyors, fluid tanks, steam engines, display boards, pumps, and logistics networks. On the client, it uses cached models and geometry, persistent GPU buffers, batched rendering, culling, and distance-based levels of detail to reduce repeated rendering work; examples include simplified distant chute and belt items, combined factory-gauge outlines, and reduced particle effects around fans and burners. It also limits redundant server work by caching or reusing chute, airflow, pipe-network, kinetic-network, tank, engine, and logistics lookups, while allowing boiler update frequency to be configured. Shader and renderer integrations are platform-specific, with Embeddium and Oculus on Forge and Sodium and Iris on NeoForge, alongside support for Flywheel and optional integrations such as CreateBetterFPS.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 5 areas: Rendering and graphicsChanges 8 game code files in this area: drawing mobs, items, particles and textures on screen., World renderingChanges 2 game code files in this area: drawing the terrain, sky, clouds and weather., Blocks and fluidsChanges 2 game code files in this area: how blocks, fluids and redstone work., Chunk loading and storageChanges 1 game code file in this area: how the game loads, tracks, saves and unloads chunks. 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.

    Often used with it

    See all 30
    AllTheLeaks (Memory Leak Fix)ALoot IntegrationsAPacket FixerABadOptimizationsAsparkA

    Details

    Creator
    StellarVan
    License
    Not known
    Downloads
    56K
    Created
    3 Aug 2026
    Official page
    CurseForge

    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.

    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 · Both 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.
      2 latest files: the newest file for each Minecraft version and loader. Both 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
    • 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 · Both 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 both files, for recent Minecraft versions. See each file in Releases

    AI

    AI was used for its images

    OpenAI gpt-image is named in the images in its files.

    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.
    • 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
      32 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.
      An image names OpenAI gpt-image in its image metadata stellarcreateoptimization.png
    • 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
      450 code files read

    Compatibility

    See all 20 files
    NeoForge
    Forge
    1.201.2126.126.3

    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

    34 modpacks include StellarCreateOptimization in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Monumental Experience471K downloadslast version with it 30 Aug 2026Reimagined151K downloadslast version with it 22 Oct 2026Modded Together138K downloadslast version with it 24 Sep 2026Create - Forge Frontier68K downloadslast version with it 1 Sep 2026Mystic's Monstrosity - Greedy Edition30K downloadslast version with it 18 Oct 2026FOXY COZY28K downloadslast version with it 14 Sep 2026FOXY COZY LITE6.8K downloadslast version with it 1 Sep 2026All The Cat-astrophe 82.9K downloadslast version with it 19 Oct 2026BeyondHorizons1.9K downloadslast version with it 23 Aug 2026Antarchy - Ascension1.6K downloadslast version with it 24 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AllTheLeaks (Memory Leak Fix)AModin 79% of the modpacks with StellarCreateOptimizationLoot IntegrationsAModin 68% of the modpacks with StellarCreateOptimizationPacket FixerAModin 68% of the modpacks with StellarCreateOptimizationBadOptimizationsAModin 68% of the modpacks with StellarCreateOptimizationsparkAModin 68% of the modpacks with StellarCreateOptimizationCreateBetterFpsAModin 65% of the modpacks with StellarCreateOptimizationCrash AssistantAModin 65% of the modpacks with StellarCreateOptimizationSophisticated StorageAModin 65% of the modpacks with StellarCreateOptimizationAmendmentsAModin 65% of the modpacks with StellarCreateOptimizationAttributeFixAModin 65% of the modpacks with StellarCreateOptimization
    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
    1.21.1·NeoForge1.1.1fix1.1.1fix · stellarcreateoptimization-neoforge-1.21.1-1.1.1fix.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.1.1fix1.1.1fix · stellarcreateoptimization-forge-1.20.1-1.1.1fix.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    20 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.1.1fix1.1.1fix · stellarcreateoptimization-neoforge-1.21.1-1.1.1fix.jar·6 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 2.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.1.1fix1.1.1fix · stellarcreateoptimization-forge-1.20.1-1.1.1fix.jar·6 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 2.5 MB
    1.20.1·Forge1.1.11.1.1 · stellarcreateoptimization-forge-1.20.1-1.1.1.jar·4 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.5 MB
    1.21.1·NeoForge1.1.11.1.1 · stellarcreateoptimization-neoforge-1.21.1-1.1.1.jar·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 2.5 MB
    1.20.1·Forge1.1.01.1.0 · stellarcreateoptimization-forge-1.20.1-1.1.0.jar·21 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.21.1·NeoForge1.1.01.1.0 · stellarcreateoptimization-neoforge-1.21.1-1.1.0.jar·21 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.21.1·NeoForge1.0.61.0.6 · stellarcreateoptimization-neoforge-1.21.1-1.0.6.jar·9 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.20.1·Forge1.0.61.0.6 · stellarcreateoptimization-forge-1.20.1-1.0.6.jar·9 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.21.1·NeoForge1.0.51.0.5 · stellarcreateoptimization-neoforge-1.21.1-1.0.5.jar·7 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.2 MB
    1.20.1·Forge1.0.51.0.5 · stellarcreateoptimization-forge-1.20.1-1.0.5.jar·7 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.3 MB
    1.21.1·NeoForge1.0.41.0.4 · stellarcreateoptimization-1.0.4-neoforge-1.21.1.jar·5 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.1 MB
    1.20.1·Forge1.0.41.0.4 · stellarcreateoptimization-1.0.4-forge-1.20.1.jar·5 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.1 MB
    1.20.1·Forge1.0.31.0.3 · StellarCreateOptimization-1.0.3-Forge-1.20.1.jar·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.0 MB
    1.21.1·NeoForge1.0.31.0.3 · StellarCreateOptimization-1.0.3-NeoForge-1.21.1.jar·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.9 MB
    1.21.1·NeoForge1.0.21.0.2 · StellarCreateOptimization-1.0.2-mc1.21.1-NeoForge.jar·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.8 MB
    1.20.1·Forge1.0.21.0.2 · StellarCreateOptimization-1.0.2-mc1.20.1-Forge.jar·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.8 MB
    1.20.1·Forge1.0.1-forge1.20.11.0.1-forge1.20.1 · stellarcreateoptimization-1.0.1-forge1.20.1.jar·20 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.7 MB
    1.21.1·NeoForge1.0.1-forge1.20.11.0.1-forge1.20.1 · stellarcreateoptimization-1.0.1-neoforge1.21.1.jar·20 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.7 MB
    1.21.1·NeoForge1.0.01.0.0 · stellarcreateoptimization-1.0.0.jar·18 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 295.4 KB
    1.20.1·Forge1.0.01.0.0 · stellarcreateoptimization-1.0.0.jar·3 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 278.7 KB