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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Legacy4J

    Mod

    Play with classic console menus, controls, and style.

    A98/ 100
    • OverviewA
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 26.1.2
    • ModpacksIn 121
    • ReleasesLatest 29 Aug

    Download

    Legacy4J-26.1.2-1.9.1-fabric.jar

    Released 29 Aug 2026 · 28.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Factory APIAMinecraft 26.1.2 · Fabric (release 2.2.9)
    • Fabric APIAMinecraft 26.1.2 · Fabric (release 0.155.3)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 26.1.2, a version many recently updated mods still support
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Some modpacks removed it−1 point
    • Under 5 million downloads−1 point
    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.8 weeks ago (29 Aug 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.26.1.2 on Fabric, Forge and NeoForge, 1.21.10 on Quilt. 15% or more of the popular mods updated in the last 6 months also have files for 26.1.2. 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 12 of the last 24 months 6 / 6

    • Stability

      1 point lost21 / 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.10 of the 74 modpacks with two or more versions removed it in a later one (14%) See the 10 modpacks9 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not counted: it puts out releases very often, so quick fixes are normal for it 7 / 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 of 2 known conflicts counts in the grade See the 2 known conflicts5 / 5

    • Transparency

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

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.1,678,050 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.8 years, 998 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 27 latest files for recent Minecraft versions. See Security
    Total98 / 100

    69.4 of the 71 points that apply = 98 out of 100. The points above are rounded to whole numbers.

    Images

    • Screenshot 1 of Legacy4J
    • Main screen
    • Help & Options screen
    • Controls screen
    • Controller screen
    • Key Binds screen
    • Settings screen
    • Game Options screen
    • Audio screen
    • Graphics screen
    • User Interface screen
    • Reset Settings screen
    • Languages screen
    • Choose User screen
    • Add Account screen
    • Tutorial river
    • Tutorial entrance
    • Play Game screen
    • Play Game screen
    • Play Game screen
    • Save Options screen
    • Edit Server Info screen
    • Tutorial spawn
    • Chest screen
    • Merchant screen
    • Tutorial Beacon
    • Mods screen
    • Beacon screen
    • Brewing Stand screen
    • Cauldron with potion
    • Nether Wart hint
    • Crafting screen
    • Crafting screen
    • Crafting screen
    • Crafting screen
    • Autosave countdown
    • Inventory screen
    • Elytra Flight Pose
    • Loading screen
    • Load Save screen
    • Resource Packs screen
    • Load Save screen
    • Publish screen
    • World More Options screen
    • Keyboard screen
    • Flat Layer Selection screen
    • World More Options screen
    • Loading screen
    • Creative Mode screen
    • Creative Mode screen
    • Creative Mode screen
    • Grindstone screen
    • Stonecutter screen
    • Furnace screen
    • Dispenser/Dropper screen
    • Hopper screen
    • Crafter screen
    • Loom screen
    • Loom screen
    • Horse screen

    In-game changes

    Changes the game's code in 16 areas: User interfaceChanges 85 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., Rendering and graphicsChanges 75 game code files in this area: drawing mobs, items, particles and textures on screen., Mobs and their behaviorChanges 29 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Blocks and fluidsChanges 26 game code files in this area: how blocks, fluids and redstone work., Inventory and itemsChanges 25 game code files in this area: items, chests and other containers, crafting and enchanting., World renderingChanges 12 game code files in this area: drawing the terrain, sky, clouds and weather., Server and world logicChanges 11 game code files in this area: the world, commands, scoreboards, saved data and game rules., PlayerChanges 9 game code files in this area: your character: movement, abilities, hunger and controls., SoundChanges 8 game code files in this area: playing sounds, music and the sound engine., Game optionsChanges 6 game code files in this area: settings, key bindings and the option screens., Chunk loading and storageChanges 4 game code files in this area: how the game loads, tracks, saves and unloads chunks., Networking and multiplayerChanges 4 game code files in this area: connections, the server list and what is sent between your game and a server., World generationChanges 4 game code files in this area: terrain, biomes and structures made when new land is created., Game data and resourcesChanges 3 game code files in this area: recipes, tags, advancements, language files and other game data., Game coreChanges 2 game code files in this area: the main loop, lighting and other code the whole game uses. and Other game codeChanges 1 game code file in this area: game code that is not in one of the areas above..

    Adds 2 blocks, 2 recipes, 1 loot table and 12 sounds.

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

    Replaces 111 of vanilla Minecraft's interface textures, 16 loot tables, 7 models, 1 mob and entity texture, 1 core shader, 1 recipe and 1 other data file.

    Often used with it

    See all 28
    FerriteCoreALithiumAMod MenuACustomizable Player ModelsADynamic FPSA

    Details

    Creators
    Lasting Legacy (omo50, Wilyicaro, creepereater201, Cjnator38, BrandonItaly and 4 more)
    License
    MIT License
    Downloads
    1.7M
    Created
    29 Dec 2023
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    Security

    No harmful code found

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

    The author declares on Modrinth that this mod interacts with your system outside the game.

    See the Modrinth page

    What it can do on your computer

    Accepts connections from other computers
    It can accept connections from other computers. Found in the mod's own code and in httpcore, a library it includes.
    Uses your Minecraft account login
    It can use the login of your Minecraft account, for example to join a server. It can read the login token of your Minecraft account.Not a Warning: we read its code and found no login token sent anywhere but Mojang.
    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 1.20 to 1.20.1, 1.21.10 to 26.1.2; NeoForge 1.21.10 to 26.1.2; Forge 1.21.10 to 26.1.2.
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 4 files in your config folder.
    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 3 libraries it includes. See Privacy

    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 41 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.
      41 latest files: the newest file for each Minecraft version and loader. The answer above is about the 27 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
    • Accepts connections from other computers
      Runs a small web server.
    • 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

    Sends your player name, your player ID and unknown data, and uses your Minecraft login

    Sent to api.minecraftservices.com, login.microsoftonline.com, sessionserver.mojang.com, user.auth.xboxlive.com, xsts.auth.xboxlive.com and an address built while the game runs.

    Only some of its files send your player name and your player ID.

    We found this in its code, read without running it.

    The author declares on Modrinth that it shows advertisements.

    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 27 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 27 files, for recent Minecraft versions. See each file in Releases
    • api.minecraftservices.com
      Talks to the Minecraft login service.
      Unknown data
    • login.microsoftonline.com
      Talks to the Minecraft login service.
      Unknown data
    • raw.githubusercontent.com
      Purpose not known.
      Nothing about you
    • sessionserver.mojang.com
      Talks to the Minecraft login service.
      Login check with Mojang
    • user.auth.xboxlive.com
      Talks to the Minecraft login service.
      Unknown data
    • xsts.auth.xboxlive.com
      Talks to the Minecraft login service.
      Unknown data
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.
      Your player ID and your player name

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images, sounds 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 · 7 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.
      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
      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
      2,640 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      33 sounds 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
      1,225 code files read

    Compatibility

    See all 998 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.201.2126.126.3

    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.Needed in your game and on the server, or you cannot join.
    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.
    Factory APIin some filesAFabric APIon FabricA
    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.It has no file for Minecraft versions newer than 26.1.2. Many recently updated mods still support 26.1.2.

    Known conflicts

    These projects do not work together with Legacy4J: their authors or Legacy4J's 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 Legacy4J, so you only need one.

    ProjectTypeDownloadsDeclared by
    LEMClientHelperMod11K downloadsdeclared by LEMClientHelperLegacy TweaksMod335 downloadsdeclared by Legacy Tweaks

    Related projects

    Projects that need Legacy4J to work.

    ProjectTypeDownloadsGrade
    Legacy Modpack ResourcesAResource pack536K downloadsLegacy Skins-Mod534K downloadsTutorial World Add-onAResource pack421K downloadsFallout Mash-up PackDResource pack380K downloadsLegacy WorldsAResource pack295K downloadsLCE Panorama CollectionAResource pack269K downloadsMash-Up Addon-Resource pack264K downloadsLegacy TitlesAResource pack262K downloadsDefault Dark Mode: Legacy4JAResource pack234K downloadsClassic Minecraft YouTuber Skin PackDResource pack233K downloads
    1 to 10 of 331234

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 4 modpacksNov 2024: 10 modpacksDec 2024: 4 modpacksJan 2025: 6 modpacksFeb 2025: 2 modpacksMar 2025: 8 modpacksApr 2025: 15 modpacksMay 2025: 16 modpacksJun 2025: 14 modpacksJul 2025: 9 modpacksAug 2025: 5 modpacksSep 2025: 9 modpacksOct 2025: 7 modpacksNov 2025: 11 modpacksDec 2025: 13 modpacksJan 2026: 9 modpacksFeb 2026: 15 modpacksMar 2026: 17 modpacksApr 2026: 8 modpacksMay 2026: 7 modpacksJun 2026: 9 modpacksJul 2026: 7 modpacksAug 2026: 5 modpacksSep 2026: 6 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20244
    Nov 202410
    Dec 20244
    Jan 20256
    Feb 20252
    Mar 20258
    Apr 202515
    May 202516
    Jun 202514
    Jul 20259
    Aug 20255
    Sep 20259
    Oct 20257
    Nov 202511
    Dec 202513
    Jan 20269
    Feb 202615
    Mar 202617
    Apr 20268
    May 20267
    Jun 20269
    Jul 20267
    Aug 20265
    Sep 20266

    Fewer modpacks put it in their new versions than a year ago: 7 a month now, 11 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..

    121 modpacks include Legacy4J in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Re-Console712K downloadslast version with it 12 Oct 2026wonderland.jar: legacy edition75K downloadslast version with it 15 Aug 2026Minecraft: Console Edition37K downloadslast version with it 27 Jul 2024Simply Legacy32K downloadslast version with it 12 Oct 2026Legacy Reborn [DISCONTINUED]15K downloadslast version with it 12 Jul 2024Legacy Remade Classic [DISCONTINUED]13K downloadslast version with it 6 Oct 2024BBS Machinima pack13K downloadslast version with it 12 Dec 2025RC Lite (DEPRECATED)11K downloadslast version with it 21 Jun 2025Revived Legacy Console Edition9.7K downloadslast version with it 11 Mar 2025TARDIS Universe modpack9.6K downloadslast version with it 2 Oct 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Legacy4J. Share: how many of the modpacks with Legacy4J also have that mod.

    ProjectTypeShareGrade
    FerriteCoreAModin 54% of the modpacks with Legacy4JLithiumAModin 54% of the modpacks with Legacy4JMod MenuAModin 45% of the modpacks with Legacy4JCustomizable Player ModelsAModin 43% of the modpacks with Legacy4JDynamic FPSAModin 39% of the modpacks with Legacy4JModerner BetaAModin 36% of the modpacks with Legacy4JNo Chat ReportsAModin 36% of the modpacks with Legacy4JBadOptimizationsAModin 35% of the modpacks with Legacy4JSodium ExtraAModin 30% of the modpacks with Legacy4JChat HeadsAModin 30% of the modpacks with Legacy4J
    1 to 10 of 28123

    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
    26.1.2·Fabric1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-fabric.jarSends: Player name +2Requires:Factory API, Fabric APIFactory API, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-neoforge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·Forge1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-forge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-fabric.jarSends: Player name +2Requires:Fabric API, Factory APIFabric API, Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-neoforge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Forge1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-forge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Fabric1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-fabric.jarSends: Player name +2Requires:Factory API, Fabric APIFactory API, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·NeoForge1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-neoforge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Forge1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-forge.jarSends: Player name +2Requires:Factory APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Quilt1.8.71.8.7 · Legacy4J-1.21.10-1.8.7-fabric.jarSends: Player ID +1Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 4112345

    998 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.10The latest file for its Minecraft version and loader·Fabric1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-fabric.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.7 MB
    1.21.10The latest file for its Minecraft version and loader·Forge1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-forge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.6 MB
    1.21.10The latest file for its Minecraft version and loader·NeoForge1.9.11.9.1 · Legacy4J-1.21.10-1.9.1-neoforge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 26.6 MB
    1.21.11The latest file for its Minecraft version and loader·Fabric1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-fabric.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 27.1 MB
    1.21.11The latest file for its Minecraft version and loader·NeoForge1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-neoforge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 26.7 MB
    1.21.11The latest file for its Minecraft version and loader·Forge1.9.11.9.1 · Legacy4J-1.21.11-1.9.1-forge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 26.7 MB
    26.1.2The latest file for its Minecraft version and loader·NeoForge1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-neoforge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 28.0 MB
    26.1.2The latest file for its Minecraft version and loader·Forge1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-forge.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 27.9 MB
    26.1.2The latest file for its Minecraft version and loader·Fabric1.9.11.9.1 · Legacy4J-26.1.2-1.9.1-fabric.jar (main file, 1 other file in this version not shown)·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 28.4 MB
    1.21.5·NeoForge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.5-1.9-pre-4-lts-neoforge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.7 MB
    1.21.5·Forge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.5-1.9-pre-4-lts-forge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.21.5·Fabric, Quilt1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.5-1.9-pre-4-lts-fabric.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.21.4·NeoForge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.4-1.9-pre-4-lts-neoforge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.7 MB
    1.21.4·Forge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.4-1.9-pre-4-lts-forge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.21.4·Fabric, Quilt1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.4-1.9-pre-4-lts-fabric.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.21.2 to 1.21.31.21.2 to 1.21.3·NeoForge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.3-1.9-pre-4-lts-neoforge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.7 MB
    1.20 to 1.20.11.20 to 1.20.1·Forge, NeoForge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.20.1-1.9-pre-4-lts-forge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.7 MB
    1.21 to 1.21.11.21 to 1.21.1·Fabric, Quilt1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.1-1.9-pre-4-lts-fabric.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.20.3 to 1.20.41.20.3 to 1.20.4·Fabric, Quilt1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.20.4-1.9-pre-4-lts-fabric.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.6 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.9-pre-4-lts1.9-pre-4-lts · Legacy4J-1.21.1-1.9-pre-4-lts-neoforge.jar (main file)Beta·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 24.7 MB
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