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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.

    Bye?Pregen!

    Mod

    Faster world generation with fewer server freezes while exploring.

    A90/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 100
    • ReleasesLatest 20 Oct

    Download

    byepregen-fabric-26.3-1.1.3.4.jar Alpha

    Released 20 Oct 2026 · 1.2 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
    • Stable releases
    • Public source code
    • Widely used

    Points lost

    • First release only 5 months ago−5 points
    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.4 days ago (20 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 (latest) on Fabric, 26.2 on NeoForge, 1.20.1 on Forge 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.4 of the 86 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.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 of the 11 known conflicts count in the grade See the 11 known conflicts5 / 5

    • Transparency

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · MoePus/Bye-Pregen 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

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.934,726 4 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5 months, 48 releases 3 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 7 latest files for recent Minecraft versions. See Security
    Total90 / 100

    49.6 of the 55 points that apply = 90 out of 100. The points above are rounded to whole numbers.

    About

    ByePregen is a performance optimization mod that speeds up Minecraft world generation and helps reduce exploration lag, MSPT spikes, and server freezes caused by chunk generation. It optimizes block placement and memory allocations, compiles Density Functions and Surface Rules for execution, and applies other world-generation optimizations. It is compatible with C2ME and FastNoise, but incompatible with Noisium and AntiXRay; when using RTF, choose either ByePregen or FastNoise rather than installing both.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 8 areas: World generationChanges 48 game code files in this area: terrain, biomes and structures made when new land is created., Chunk loading and storageChanges 18 game code files in this area: how the game loads, tracks, saves and unloads chunks., Game coreChanges 5 game code files in this area: the main loop, lighting and other code the whole game uses., Networking and multiplayerChanges 2 game code files in this area: connections, the server list and what is sent between your game and a server., Blocks and fluidsChanges 2 game code files in this area: how blocks, fluids and redstone work., Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act., Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules. and World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather..

    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)ABadOptimizationsAFleroviumAStructure Layout OptimizerAAttributeFixA

    Details

    Creator
    MoePus
    License
    Not known
    Downloads
    935K
    Created
    7 Jun 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

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for Fabric 26.1.2 to 26.3; NeoForge 26.2; Forge 1.20.1. See Privacy
    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 · All 7 latest files checked, last on 23 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.
      7 latest files: the newest file for each Minecraft version and loader. All 7 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.
      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 · All 7 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 7 files, for recent Minecraft versions. See each file in Releases

    AI

    No sign that AI was used to make it

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

    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 · 5 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.
      Nothing found
    • 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
      28 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
    • 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
      513 code files read

    Compatibility

    See all 48 files
    Fabric
    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.On average, it gets a file 48 days after a new Minecraft version comes out. Measured on the last 2 Minecraft versions.

    Known conflicts

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

    ProjectTypeDownloadsDeclared by
    NoisiumForkedMod5.2M downloadsdeclared by Bye?Pregen!Noisium (Unofficial port)Mod4M downloadsdeclared by Bye?Pregen!AntiXrayMod1M downloadsdeclared by Bye?Pregen!Noisium (Unofficial forge port)Mod737K downloadsdeclared by Bye?Pregen!AntiXray ((Neo)Forge)Mod494K downloadsdeclared by Bye?Pregen!NoisiumedMod380K downloadsdeclared by Bye?Pregen!AntixrayPlugin82K downloadsdeclared by Bye?Pregen!Basic Anti X-ray (Fabric)Mod5.5K downloadsdeclared by Bye?Pregen!AntiXRAYPlugin3.5K downloadsdeclared by Bye?Pregen!Nico's Anti XrayMod1.3K downloadsdeclared by Bye?Pregen!
    1 to 10 of 1112

    Modpacks using this project

    Find modpacks with it

    100 modpacks include Bye?Pregen! in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Craft to Exile 2 - 2.0 Atlas Update2.8M downloadslast version with it 10 Sep 2026Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 24 Oct 2026Age of Fate564K downloadslast version with it 19 Oct 2026Jurassic World Reborn II438K downloadslast version with it 20 Oct 2026Tensura Neo Otherworld342K downloadslast version with it 4 Oct 2026TNP Limitless 8 - LL8333K downloadslast version with it 6 Aug 2026Create: Delight Remake138K downloadslast version with it 18 Oct 2026TerraFirma Rebirth 2133K downloadslast version with it 9 Sep 2026NeoTech Reborn113K downloadslast version with it 18 Oct 2026Infinity Legends (Palladium)111K downloadslast version with it 23 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Bye?Pregen!. Share: how many of the modpacks with Bye?Pregen! also have that mod.

    ProjectTypeShareGrade
    AllTheLeaks (Memory Leak Fix)AModin 80% of the modpacks with Bye?Pregen!BadOptimizationsAModin 71% of the modpacks with Bye?Pregen!FleroviumAModin 67% of the modpacks with Bye?Pregen!Structure Layout OptimizerAModin 66% of the modpacks with Bye?Pregen!AttributeFixAModin 65% of the modpacks with Bye?Pregen!sparkAModin 62% of the modpacks with Bye?Pregen!fix GPU memory leakAModin 61% of the modpacks with Bye?Pregen!Chat HeadsAModin 61% of the modpacks with Bye?Pregen!Packet FixerAModin 60% of the modpacks with Bye?Pregen!Immersive OptimizationAModin 59% of the modpacks with Bye?Pregen!
    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·Fabric1.1.3.41.1.3.4 · byepregen-fabric-26.3-1.1.3.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric1.1.2.51.1.2.5 · byepregen-fabric-26.2-1.1.2.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge1.1.2.51.1.2.5 · byepregen-neoforge-26.2-1.1.2.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·Fabric1.1.2.51.1.2.5 · byepregen-fabric-26.1.2-1.1.2.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge1.1.2.51.1.2.5 · byepregen-neoforge-26.1.2-1.1.2.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge1.1.3.31.1.3.3 · byepregen-1.21.1-1.1.3.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.1.3.3-all1.1.3.3-all · byepregen-1.20.1-1.1.3.3-all.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    48 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·Fabric1.1.3.41.1.3.4 · byepregen-fabric-26.3-1.1.3.4.jarAlpha·20 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Alpha · 1.2 MB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.1.3.31.1.3.3 · byepregen-1.21.1-1.1.3.3.jar·16 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 888.5 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.1.3.3-all1.1.3.3-all · byepregen-1.20.1-1.1.3.3-all.jar·16 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 1.3 MB
    1.21.1·NeoForge1.1.3.21.1.3.2 · byepregen-1.21.1-1.1.3.2.jar·11 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 886.9 KB
    1.21.1·NeoForge1.1.3.11.1.3.1 · byepregen-1.21.1-1.1.3.1.jar·9 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 877.3 KB
    1.21.1·NeoForge1.1.3.01.1.3.0 · byepregen-1.21.1-1.1.3.0.jar·2 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 876.9 KB
    26.3·Fabric1.1.2.51.1.2.5 · byepregen-fabric-26.3-1.1.2.5.jarAlpha·19 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Alpha · 1.1 MB
    1.21.1·NeoForge1.1.2.51.1.2.5 · byepregen-1.21.1-1.1.2.5.jar·19 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 865.4 KB
    26.2The latest file for its Minecraft version and loader·NeoForge1.1.2.51.1.2.5 · byepregen-neoforge-26.2-1.1.2.5.jarAlpha·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Alpha · 1.4 MB
    26.2The latest file for its Minecraft version and loader·Fabric1.1.2.51.1.2.5 · byepregen-fabric-26.2-1.1.2.5.jarAlpha·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Alpha · 1.2 MB
    26.1.2The latest file for its Minecraft version and loader·Fabric1.1.2.51.1.2.5 · byepregen-fabric-26.1.2-1.1.2.5.jarBeta·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 1.2 MB
    26.1.2The latest file for its Minecraft version and loader·NeoForge1.1.2.51.1.2.5 · byepregen-neoforge-26.1.2-1.1.2.5.jar·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 860.4 KB
    26.1.2·Fabric1.1.2.41.1.2.4 · byepregen-fabric-26.1.2-1.1.2.4.jarBeta·11 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.2 MB
    26.1.2·NeoForge1.1.2.41.1.2.4 · byepregen-neoforge-26.1.2-1.1.2.4.jarBeta·11 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 859.8 KB
    1.21.1·NeoForge1.1.2.41.1.2.4 · byepregen-1.21.1-1.1.2.4.jar·11 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 865.0 KB
    1.20.1·Forge1.1.2.4-all1.1.2.4-all · byepregen-1.20.1-1.1.2.4-all.jarBeta·2 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 1.3 MB
    1.20.1·Forge1.1.2.3-all1.1.2.3-all · byepregen-1.20.1-1.1.2.3-all.jarBeta·1 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.3 MB
    1.21.1·NeoForge1.1.2.31.1.2.3 · byepregen-1.21.1-1.1.2.3.jar·1 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 867.6 KB
    1.21.1·NeoForge1.1.2.11.1.2.1 · byepregen-1.21.1-1.1.2.1.jar·30 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 868.5 KB
    1.20.1·Forge1.1.2.1-all1.1.2.1-all · byepregen-1.20.1-1.1.2.1-all.jarBeta·30 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.3 MB
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