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    2,053,304 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 2026.269,472 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.

    DataStructium

    Mod

    Helps your game run faster by speeding up common tasks.

    D61/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.16.5
    • ModpacksIn 11
    • ReleasesLatest Nov 2025

    Download

    DataStructium-1.16.5-1.9.0.jar

    Released 16 Nov 2025 · 114.5 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Public source code

    Points lost

    • No release in 11 months−18 points
    • Releases replaced within 3 days to fix a problem−6 points
    • Releases in only 6 of the last 24 months−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      13 points lost14 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.11 months ago (16 Nov 2025) 1 / 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.1.16.5 on Forge. A version many modpacks still use. 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.Releases in 6 of the last 24 months 4 / 6

    • Stability

      6 points lost16 / 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.None of the 10 modpacks with two or more versions removed it 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.5 of its 14 releases in 2 years needed a quick fix (36%) See the 5 releases1 / 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.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 · ZZZank/DataStructium 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.90,440 3 / 4

    • Track record

      7 points lost1 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.21 months, 15 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. See Security
    Total61 / 100

    41.2 of the 68 points that apply = 61 out of 100. The points above are rounded to whole numbers.

    About

    DataStructium is an optimization mod that speeds up common in-game data operations by caching data and using more efficient data structures. Its optimizations include caching numeric NBT tags and KubeJS resources, improving BlockPos hashing, and speeding up Forge class scanning and chunk-section iteration. It also accelerates specific modded tasks, including Industrial Foregoing StoneWork recipe gathering, Masterful Machinery structure checks, Just Enough Resources spawn-egg lookups, and Farmer's Delight tool-ingredient initialization.

    Written from CurseForge . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.16.5.

    Changes the game's code in 5 areas: Game coreChanges 5 game code files in this area: the main loop, lighting and other code the whole game uses., Rendering and graphicsChanges 4 game code files in this area: drawing mobs, items, particles and textures on screen., Inventory and itemsChanges 2 game code files in this area: items, chests and other containers, crafting and enchanting., World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather. and PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls..

    Adds no new blocks, items or other content.

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

    Details

    Creator
    ZZZank
    License
    Not known
    Downloads
    90K
    Created
    23 Jan 2025
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.16.5.

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

    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. It is not for a recent Minecraft version, so the answer above is about it. 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

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.16.5.

    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 Minecraft 1.16.5. 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
      24 of 30 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
      42 code files read

    Compatibility

    See all 15 files
    Forge
    1.161.191.2126.1

    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 any of the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

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

    ModpackDownloadsLast version with it
    Better MC [FORGE] BMC15.8M downloadslast version with it 22 Jun 2025Record of Wonderland47K downloadslast version with it 10 Oct 2026LuckyFrame+14K downloadslast version with it 25 Sep 2026Enlightened 6 Expert - En6E2K downloadslast version with it 7 Apr 2025Spirited Dynamics1.3K downloadslast version with it 23 Apr 2026AdvoTech Skylands590 downloadslast version with it 12 Sep 2025Enlightened 6468 downloadslast version with it 7 Apr 2025AdvoTech opti371 downloadslast version with it 1 Jul 2026All of Mcreator 2102 downloadslast version with it 6 Jul 2025Shao_s_Pixelmon86 downloadslast version with it 6 Aug 2026
    1 to 10 of 1112

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.16.5·Forge1.9.01.9.0 · DataStructium-1.16.5-1.9.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    15 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.16.5The latest file for its Minecraft version and loader·Forge1.9.01.9.0 · DataStructium-1.16.5-1.9.0.jar·16 Nov 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 114.5 KB
    1.16.5·Forge1.8.21.8.2 · DataStructium-1.16.5-1.8.2.jar·17 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 117.4 KB
    1.16.5·Forge1.8.11.8.1 · DataStructium-1.16.5-1.8.1.jar·16 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 117.1 KB
    1.16.5·Forge1.8.01.8.0 · DataStructium-1.16.5-1.8.0.jar·13 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 114.0 KB
    1.16.5·Forge1.7.11.7.1 · DataStructium-1.16.5-1.7.1.jar·6 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 110.5 KB
    1.16.5·Forge1.7.01.7.0 · DataStructium-1.16.5-1.7.0.jar·5 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 109.4 KB
    1.16.5·Forge1.6.01.6.0 · DataStructium-1.16.5-1.6.0.jarBeta·5 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 101.1 KB
    1.16.5·Forge1.5.01.5.0 · DataStructium-1.16.5-1.5.0.jar·23 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 96.3 KB
    1.16.5·Forge1.4.11.4.1 · DataStructium-1.16.5-1.4.1.jar·18 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 93.6 KB
    1.16.5·Forge1.3.01.3.0 · DataStructium-1.16.5-1.3.0.jarBeta·7 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 88.3 KB
    1.16.5·Forge1.1.11.1.1 · DataStructium-1.16.5-1.1.1.jar·30 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 82.9 KB
    1.16.5·Forge1.1.01.1.0 · DataStructium-1.16.5-1.1.0.jarBeta·28 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 82.8 KB
    1.16.5·Forge1.0.21.0.2 · DataStructium-1.16.5-1.0.2.jar·23 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 80.8 KB
    1.16.5·Forge1.0.11.0.1 · DataStructium-1.16.5-1.0.1.jar·23 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 80.7 KB
    1.16.5·Forge1.0.01.0.0 · DataStructium-1.16.5-1.0.0.jar·23 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 80.8 KB

    Quick fixes

    In the last 2 years, 5 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 6 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.5

    • 1.8.2: Fix Masterful Machinery process speed17 Aug 2025…DataStructium 1.8.1 -> 1.8.2 Fix MM process speed Fix MM structure check…
    • 1.8.1: Fix Botania crash16 Aug 2025…DataStructium 1.8.0 -> 1.8.1 Fix Botania crash Fix crash when Botania is…
    • 1.7.1: CompoundTag optimization improvement6 Apr 2025…smaller Number Tag Cache default size fix a certain part of CompoundTag optimization not working…
    • DataStructium-1.16.5-1.1.1.jar30 Jan 2025fixed a bug that will cause CompoundTag to reconstruct it's…
    • DataStructium-1.16.5-1.0.1.jar23 Jan 2025