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    2,024,305 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 2026.269,486 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.

    Fast Leaf Decay

    Mod

    Makes leaves decay faster when a tree is cut down.

    C71/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.10
    • ModpacksIn 41,628
    • ReleasesLatest Oct 2025

    Download

    FastLeafDecay-Fabric-36.jar

    Released 29 Oct 2025 · 18.5 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Widely used

    Points lost

    • No source code link−7 points
    • Releases in only 2 of the last 24 months−5 points
    • No release in 12 months−4 points
    • Some modpacks removed it−2 points
    All 11 criteria
    • Maintenance

      7 points lost20 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.12 months ago (29 Oct 2025). 3,939 modpacks released in the last 6 months still include it, so it keeps 80% of these points. 10 / 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.1.21.10 on NeoForge and Fabric, 1.21.5 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.Releases in 2 of the last 24 months 1 / 6
    • 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.63 of the 381 modpacks with two or more versions removed it in a later one (17%) See the 63 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.193,369,346 4 / 4
    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.10.8 years, 34 releases 6 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 5 latest files for recent Minecraft versions. See Security
    Total71 / 100

    43.3 of the 61 points that apply = 71 out of 100. The points above are rounded to whole numbers.

    About

    Fast Leaf Decay speeds up leaves disappearing after you cut down a tree, clearing away the floating foliage left behind. By default, the remaining leaves are generally gone within about five seconds; decay is spread over time using Minecraft’s normal decay behavior rather than removing all leaves at once. The mod can run on a server without requiring players to install it on their clients, and its decay rates can be adjusted in the world’s server configuration. It also supports most modded trees whose leaves use Minecraft’s leaves block tag or inherit from LeavesBlock.

    Written from CurseForge and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 2 areas: Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules. and User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay..

    Adds 1 block: Example Block; 1 item: Example Item.

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

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

    Often used with it

    See all 30
    BotaniaAFastFurnaceBCooking for BlockheadsAThermal FoundationCFastWorkbenchB

    Details

    Creator
    olafskiii
    License
    Not known
    Downloads
    193.4M
    Created
    27 May 2015
    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. 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 23 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.
      23 latest files: the newest file for each Minecraft version and loader. The answer above is about the 5 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 · All 5 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 5 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 and images 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.
    • 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
      4 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
    • Icon and galleryThe metadata of the original icon and gallery images of the project.
      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
      11 code files read

    Compatibility

    See all 34 files
    Fabric
    NeoForge
    Forge
    Loader not stated
    1.71.101.151.1926.1

    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.Its newest file is for 1.21.10. It has no file for the 4 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2K1K0
    Oct 2024: 1,080 modpacksNov 2024: 984 modpacksDec 2024: 1,083 modpacksJan 2025: 1,090 modpacksFeb 2025: 1,035 modpacksMar 2025: 1,103 modpacksApr 2025: 1,158 modpacksMay 2025: 1,167 modpacksJun 2025: 1,094 modpacksJul 2025: 1,131 modpacksAug 2025: 1,060 modpacksSep 2025: 930 modpacksOct 2025: 1,018 modpacksNov 2025: 1,156 modpacksDec 2025: 1,134 modpacksJan 2026: 1,145 modpacksFeb 2026: 957 modpacksMar 2026: 975 modpacksApr 2026: 1,007 modpacksMay 2026: 1,124 modpacksJun 2026: 1,047 modpacksJul 2026: 1,122 modpacksAug 2026: 1,011 modpacksSep 2026: 959 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20241,080
    Nov 2024984
    Dec 20241,083
    Jan 20251,090
    Feb 20251,035
    Mar 20251,103
    Apr 20251,158
    May 20251,167
    Jun 20251,094
    Jul 20251,131
    Aug 20251,060
    Sep 2025930
    Oct 20251,018
    Nov 20251,156
    Dec 20251,134
    Jan 20261,145
    Feb 2026957
    Mar 2026975
    Apr 20261,007
    May 20261,124
    Jun 20261,047
    Jul 20261,122
    Aug 20261,011
    Sep 2026959

    41,628 modpacks include Fast Leaf Decay in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    All the Mods 9 - ATM913.7M downloadslast version with it 12 Oct 2025DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026All the Mods 8 - ATM89.3M downloadslast version with it 17 Dec 2023Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 25 May 2024Roguelike Adventures and Dungeons7.6M downloadslast version with it 5 Jul 2019All the Mods 6 - ATM66.5M downloadslast version with it 24 Jan 2024Better MC [FORGE] BMC15.8M downloadslast version with it 25 Sep 2022FTB Infinity Evolved5.7M downloadslast version with it 27 Jun 2019StoneBlock5M downloadslast version with it 11 Oct 2026MC Eternal4.9M downloadslast version with it 1 Apr 2021
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    BotaniaAModin 35% of the modpacks with Fast Leaf DecayFastFurnaceBModin 34% of the modpacks with Fast Leaf DecayCooking for BlockheadsAModin 34% of the modpacks with Fast Leaf DecayThermal FoundationCModin 34% of the modpacks with Fast Leaf DecayFastWorkbenchBModin 33% of the modpacks with Fast Leaf DecayImmersive EngineeringCModin 33% of the modpacks with Fast Leaf DecayEnder Storage 1.8.+CModin 33% of the modpacks with Fast Leaf DecayNetherPortalFixAModin 32% of the modpacks with Fast Leaf DecayThermal ExpansionCModin 31% of the modpacks with Fast Leaf DecayChiselCModin 31% of the modpacks with Fast Leaf Decay
    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
    1.21.6 to 1.21.10·Fabric3636 · FastLeafDecay-Fabric-36.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.10·NeoForge3636 · FastLeafDecay-NeoForge-36.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1 to 1.21.5·NeoForge3535 · fastleafdecay-35.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.3 to 1.21.5·Forge3434 · fastleafdecay-34.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1 to 1.20.4·Forge3232 · FastLeafDecay-32.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.6·Forge3333 · FastLeafDecay-33.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19 to 1.19.4·Forge3030 · FastLeafDecay-30.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge2828 · FastLeafDecay-28.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18 to 1.18.1·Forge27.227.2 · FastLeafDecay-27.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.17.1·Forge26.226.2 · FastLeafDecay-26.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 23123

    34 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.6 to 1.21.101.21.6 to 1.21.10The latest file for its Minecraft version and loader·Fabric3636 · FastLeafDecay-Fabric-36.jar·29 Oct 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 18.5 KB
    1.21.6 to 1.21.101.21.6 to 1.21.10The latest file for its Minecraft version and loader·NeoForge3636 · FastLeafDecay-NeoForge-36.jar·29 Oct 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 28.9 KB
    1.21.1 to 1.21.51.21.1 to 1.21.5The latest file for its Minecraft version and loader·NeoForge3535 · fastleafdecay-35.jar·26 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 9.3 KB
    1.21.3 to 1.21.51.21.3 to 1.21.5The latest file for its Minecraft version and loader·Forge3434 · fastleafdecay-34.jar·26 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 9.5 KB
    1.20.6The latest file for its Minecraft version and loader·Forge3333 · FastLeafDecay-33.jar·27 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 11.4 KB
    1.20.1 to 1.20.41.20.1 to 1.20.4The latest file for its Minecraft version and loader·Forge3232 · FastLeafDecay-32.jar·27 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 9.6 KB
    1.20.1·Forge3131 · FastLeafDecay-31.jar·1 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 9.6 KB
    1.19 to 1.19.41.19 to 1.19.4The latest file for its Minecraft version and loader·Forge3030 · FastLeafDecay-30.jar·23 Jul 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 11.0 KB
    1.19·Forge2929 · FastLeafDecay-29.jar·10 Jun 2022PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.7 KB
    1.18.2The latest file for its Minecraft version and loader·Forge2828 · FastLeafDecay-28.jar·14 Mar 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.7 KB
    1.18 to 1.18.11.18 to 1.18.1The latest file for its Minecraft version and loader·Forge27.227.2 · FastLeafDecay-27.2.jar·1 Jan 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.9 KB
    1.17.1The latest file for its Minecraft version and loader·Forge26.226.2 · FastLeafDecay-26.2.jar·1 Jan 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.4 KB
    1.16.1 to 1.16.51.16.1 to 1.16.5The latest file for its Minecraft version and loader·Forge25.225.2 · FastLeafDecay-v25.2.jar·1 Jan 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.4 KB
    1.18 to 1.18.11.18 to 1.18.1·Forge2727 · FastLeafDecay-27.jar·9 Dec 2021PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.6 KB
    1.17.1·Forge2626 · FastLeafDecay-26.jar·24 Jul 2021PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 10.1 KB
    1.15 to 1.15.21.15 to 1.15.2The latest file for its Minecraft version and loader·Forge22.122.1 · FastLeafDecay-v22.1.jar·23 Sep 2020PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.2 KB
    1.16 to 1.16.51.16 to 1.16.5The latest file for its Minecraft version and loader·Forge2525 · FastLeafDecay-v25.jar·8 Sep 2020PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 17.7 KB
    1.16.1·Forge2323 · FastLeafDecay-v23.jar·27 Jun 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.1 KB
    1.15.2·Forge2222 · FastLeafDecay-v22.jar·6 Apr 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 KB
    1.15.1 to 1.15.21.15.1 to 1.15.2·Forge2121 · FastLeafDecay-v21.jar·6 Apr 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.0 KB
    1 to 20 of 3412