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    2,054,849 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 2026.269,417 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.

    legacy-lwjgl3

    Mod

    Run older game versions with modern window and input support.

    A98/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityNo version listed
    • ModpacksIn 3
    • ReleasesLatest 4 Oct
    Download

    No file to download yet.

    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for a Minecraft version many modpacks use
    • Stable releases
    • Public source code and issue tracker
    • Around for years

    Points lost

    • 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.3 weeks ago (4 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.Newest supported: 1.12.2. 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 16 of the last 24 months 6 / 6

    • Stability

      Full points22 / 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 2 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.2 of its 32 releases in 2 years needed a quick fix (6%) 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.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · moehreag/legacy-lwjgl3 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · moehreag/legacy-lwjgl3 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.24,969 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, 52 releases 8 / 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
    Total98 / 100

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

    About

    legacy-lwjgl3 is an Ornithe mod that lets older Minecraft versions run with LWJGL 3 instead of LWJGL 2, while working around Wayland-related issues. Optional settings let users choose SDL3 rather than GLFW for window and input handling, and enable framebuffer scaling on HiDPI displays. The mod provides an IME preedit overlay for text input and a small API that other mods can use to integrate their own text fields with IME input.

    Written from Modrinth . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.0 to 1.12.2.

    Changes the game's code in 2 areas: Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses. and Other game codeChanges 5 game code files in this area: game code that is not in one of the areas above..

    Adds no new blocks, items or other content.

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

    Details

    Creator
    moehreag
    License
    GNU Lesser General Public License v2.1 only
    Downloads
    25K
    Created
    23 Dec 2023
    Official page
    Modrinth
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.0 to 1.12.2.

    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

    Starts other programs
    It can start another program on your computer. It can open a web link or a file.
    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 lwjgl-3.4.3, a library 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 · The latest file checked, last on 18 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.
      Folders outside the game, 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 1.0 to 1.12.2.

    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 1.0 to 1.12.2. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    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 · 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.
      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.
      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
      20 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 images 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
      218 code files read

    Compatibility

    See all 52 files

    No Minecraft release version is listed for this project.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it in your game only. Servers do not need it, so you can join any server.
    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.
    Ornithe Standard LibrariesA
    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.

    Related projects

    Projects that need legacy-lwjgl3 to work.

    ProjectTypeDownloadsGrade
    Fabric Gui ImGuiAMod61K downloadsAxolotlClient RenderingAMod37K downloadsArgentumDMod6.5K downloadsSoundFixDMod4.3K downloadsOldAnimationsCMod1.2K downloads

    Modpacks using this project

    Modpacks that include legacy-lwjgl3 in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    AxolotlClient (Modpack)67K downloadslast version with it 5 Apr 2025Nickly Optimized21K downloadslast version with it 22 Mar 2026Bedwars legends11K downloadslast version with it 31 Dec 2025

    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
    1.0 to 1.12.2·ornithe1.4.101.4.10 · legacy-lwjgl3-1.4.10.jarSends: None foundRequires:Ornithe Standard LibrariesOrnithe Standard LibrariesPassedOur checks found nothing harmful in this file. Its code was read too.

    52 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.0 to 1.12.21.0 to 1.12.2The latest file for its Minecraft version and loader·Loader not stated1.4.101.4.10 · legacy-lwjgl3-1.4.10.jar (main file, 1 other file in this version not shown)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 16.8 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.91.4.9 · legacy-lwjgl3-1.4.9.jar (main file, 1 other file in this version not shown)·29 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 11.9 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.81.4.8 · legacy-lwjgl3-1.4.8.jar (main file, 1 other file in this version not shown)·27 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 11.9 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.71.4.7 · legacy-lwjgl3-1.4.7.jar (main file, 1 other file in this version not shown)·27 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.8 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.61.4.6 · legacy-lwjgl3-1.4.6.jar (main file, 1 other file in this version not shown)·23 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.9 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.51.4.5 · legacy-lwjgl3-1.4.5.jar (main file, 1 other file in this version not shown)·22 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.8 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.41.4.4 · legacy-lwjgl3-1.4.4.jar (main file, 1 other file in this version not shown)·7 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.9 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.31.4.3 · legacy-lwjgl3-1.4.3.jar (main file, 1 other file in this version not shown)·6 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 12.1 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.21.4.2 · legacy-lwjgl3-1.4.2.jar (main file, 1 other file in this version not shown)·2 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.1 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.11.4.1 · legacy-lwjgl3-1.4.1.jar (main file, 1 other file in this version not shown)·26 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.3 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.01.4.0 · legacy-lwjgl3-1.4.0.jar (main file, 1 other file in this version not shown)·10 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 11.7 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.0-beta.111.4.0-beta.11 · legacy-lwjgl3-1.4.0-beta.11.jar (main file, 1 other file in this version not shown)Beta·9 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.8 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.0-beta.101.4.0-beta.10 · legacy-lwjgl3-1.4.0-beta.10.jar (main file, 1 other file in this version not shown)Beta·2 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.6 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.0-beta.91.4.0-beta.9 · legacy-lwjgl3-1.4.0-beta.9.jar (main file, 1 other file in this version not shown)Beta·29 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.8 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.0-beta.71.4.0-beta.7 · legacy-lwjgl3-1.4.0-beta.7.jar (main file, 1 other file in this version not shown)Beta·26 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.6 MB
    1.0 to 1.12.21.0 to 1.12.2·Loader not stated1.4.0-beta.51.4.0-beta.5 · legacy-lwjgl3-1.4.0-beta.5.jar (main file, 1 other file in this version not shown)Beta·17 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.6 MB
    Not stated·Loader not stated1.2.111.2.11 · legacy-lwjgl3-1.2.11+b1.7.3.jar (main file, 1 other file in this version not shown)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 9.0 MB
    1.8.3 to 1.12.21.8.3 to 1.12.2·Loader not stated1.2.111.2.11 · legacy-lwjgl3-1.2.11+1.8.9.jar (main file, 1 other file in this version not shown)·24 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 7.9 MB
    1.8 to 1.12.21.8 to 1.12.2·Loader not stated1.3.0-beta.91.3.0-beta.9 · legacy-lwjgl3-1.3.0-beta.9+1.8.9.jar (main file, 1 other file in this version not shown)Beta·24 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Beta · 9.2 MB
    1.8 to 1.12.21.8 to 1.12.2·Loader not stated1.2.101.2.10 · legacy-lwjgl3-1.2.10+1.8.9.jar (main file, 1 other file in this version not shown)·3 Nov 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 6.7 MB
    1 to 20 of 52123

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • 1.4.0-beta.929 Apr 2026This version fixes usage of the fullscreen argument. - As it seems lwjgl2…
    • 1.2.2+1.5.226 Dec 2024