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This GitHub is for updating the Mod Manager from within the program and files should not be manually downloaded from here as they don't contain all the needed files. If you are trying to download the Mod Manager please got to my other GitHub(https://github.com/Jimk72/Icarus_Software) that has the full zip file download for Icarus Mod Manager!

Icarus Mod Manager

8/19/26 Ver 2.5.2

-Fixed Re-Pak Issue.

8/16/26 Ver 2.5.1

-Disabled fast startup as more testing is needed.

8/12/26 Ver 2.5.0

-Fixed Unicode/UTF8 issues with display of special characters.

-Added new form to display what UnrealPak.exe is doing and to prevent IMM from the Windows "Program is unresponsive" display.

-Fixed and added new hints for buttons on the Download mods Form.

-UnrealPak now is called and used through IMM and no longer pops up separate black screen.

-Lots of backend changes to improve speed and minimize load times.

-Added ability to edit save files, Currently disabled till I do more testing.

-Updated Creative mode to fix issues for QueryInputs from recipes that are quest related. Mainly the new exchange venders.

-Several bug fixes.

-Normally I would do a full release for main versions but there was so much code changed that this will be a patch update only till I can confirm there are no major issues arise.

7/4/26 Ver 2.4.9

-Fixed Re-Extract mod not extracting any json.

-Added merge option for lists so you can create a standard(Minimum) list and then always merge that list with your current one.

-Added a Filter for searching the main mods list as there are so many mods out now is can be a pain scrolling down to find one.

6/21/26 Ver 2.4.8

-Fixed Merge option(Free Repair) from removing "Destroyed_At_Zero": true Causing enemy turrets to never be destroyed.

-Added option(Load Merge list to filter mods) to right click menu on downloads page to Load a merge list and use that to filter the mods list.

-Added .umap to the file list for mods.

5/30/26 Ver 2.4.7

-Fixed UI for scaled Downloads Page.

-Fixed File view not working as it should.

-Updated Creative mode to remove QueryInputs from recipes.

-Fixed "Display Original with these Items hidden" menu option when editing a mod.

5/11/26 Ver 2.4.6

-Fixed various bugs from updating backend code.

5/8/26 Ver 2.4.5

-Fixed error when clicking on a mod in the Merge list that has been deleted.

-Complete re write of the mods download system. Allows multi select for downloads and update local files.

-Made minor changes to the Downloads UI Page.

5/4/26 Ver 2.4.4

-Streamlined Load up, removed un needed setup functions.

-Fixed IMM becoming unresponsive during merge/startup.

-Added Log entries to explain whats going on at startup.

-Fixed bug where IMM was checking for update/skin when initial run.

-Added Slots 3x option to merge options.

-Added new XP Boost settings. level 1 is %200, level 2 is %500 and Level 3 is %1000.

-Complete re code of the Downloads backend and minor changes to UI.

-Double clicking a mod to download and extract no longer resets the list UI, It modifies only the one line of the list to be less distruptive and maintain position.

-Added a right click menu to download list with the following features:

  • Added ability to download and extract multiple mods at a time. Current limit set to 100. Two Options, 1 downloads a mod and extracts it before moving on to the next, 2 Downloads all the mods and then extracts them.
  • Added ability to refresh local files for individual database entries.
  • Added ability to view what the database info is for a selected mod.

3/14/26 Ver 2.4.3

-Fixed bug when checking for Duplicates the items list would remain in Sorted view(Alphabetically).

-Added ability to enable Sorting(Alphabetically) to be enabled in the Items Column in the editor.

-Added New Skin for the new DLC.

-Added New button on settings page to Change UI

-Added New Update feature that allows custom options when upgrading IMM(New Skin).

2/15/26 Ver 2.4.2

-Added new editing feature:

When editing a file in the mod editor you can right click the Items list and select Copy List. This will copy all modded item to clipboard and an internal list. There is also an Option to click Display Original with these Items hidden. This will open the Original json file and hide all the already modded Items so only the unmodded items show so you and see what new Items may have been added that you didnt changes yet. Very useful for stacks mods as you can then use the filter system to narrow down whats left in that list to only items that have stacks ect..

When using the Copy List feature in the editor you can then right click the items list on the View Originals page and select Remove Items matching copied lists and this will remove any item that was in your list of already modded items.

-Updated the update mods database to fetch more than 400 mods as we are now over 411 avail. From now on it should update and load an unlimited number of mods from the online database.

2/1/26 Ver 2.4.1

-Added time stamps to important Log messages.

-Fixed Remove weight merge option from crashing the game. When only it was selected the stack size was going to 0.

1/2/26 Ver 2.4.0

-Fixed Merge options for new crafting recipies introduced in Icarus Week 213.

-Added new Search Form for searching all the games JSON files. Avail in upper right hand corner in the Editor 1."Search Original JSON" button. Shows every File, Item, and the selected Items JSON as well as every way it is used in the JSON(Right side column).

Icarus Mod Manager 2.3

12/27/25 Ver 2.3.9

-Changed the way Base_Stats in Stats\D_CharacterStartingStats.json is extracted and merged.

JSON in the "StatsGranted" section are now considered seperate values. This allows mods to add 1 stat or many stats and not effect unchanged stats or stats from other mods.

-Added Descriptions for the rest of the Merge options.

-Changed how Speed Crafting effects the Crafting recipe. It now considers if there are resource inputs(Water, Milk, Biofuel) and resource outputs(Water, Milk, Biofuel) before modifying the speed.

11/29/25 Ver 2.3.8

-Fixed issues with some inventories having too many slots.

-Added Descriptions for Stacks and Slots mod so you can see what is changed.

11/27/25 Ver 2.3.7

-Added New Merge options.

-Remove Weight: Sets All Item weights to 0

-Unlimited Ammo: All weapons do not use ammo(Must have atleast 1 in inventory to load into Weapon)

-Speed Boost

Level 1:

  • Base Movement Speed: 455 from 355,
  • Crouch Movement Speed Coefficient: 75 from 56,
  • Sprint Movement Speed Coefficient: 250 from 200,
  • Swim Movement Speed Coefficient: 55 from 45,
  • Swim Sprint Movement Speed Coefficient: 175 from 150,
  • Tamed Creature Movement Speed: +25%,
  • Tamed Creature Maximum Stamina: +25%

Level 2:

  • Base Movement Speed: 600 from 355,
  • Crouch Movement Speed Coefficient: 90 from 56,
  • Sprint Movement Speed Coefficient: 300 from 200,
  • Swim Movement Speed Coefficient: 70 from 45,
  • Swim Sprint Movement Speed Coefficient: 200 from 150,
  • Tamed Creature Movement Speed: +50%,
  • Tamed Creature Maximum Stamina: +50%

-Player Boost

Level 1:

  • Maximum Health: 350 from 300,
  • Maximum Stamina: 250 from 200,
  • Base Weight Capacity: 300 from 100,
  • Food Consumption Per Hour: 400 from 600,
  • Water Consumption Per Hour: 600 from 900,
  • Oxygen Consumption Per Hour: 200 from 480,
  • Health Regen Per Minute: 35 from 25,
  • Minimum Fall Damage Velocity: 11000, (Removes Fall Damage)
  • Maximum Fall Damage Velocity: 22250, (Removes Fall Damage)
  • Cold Resistance: 30 from 0,
  • Heat Resistance: 30 from 0,
  • Stamina Regen Per Minute: 3000 from 2400,
  • Collision Damage Resistance: 100 from 25,
  • Enable Highlight Small Animals When ADS,
  • Enable Highlight Medium Animals When ADS,
  • Enable Highlight Large Animals When ADS,
  • Enable Automatic Wood Collection On Harvest
  • Enable Map Can See World Bosses

Level 2:

  • Maximum Health: 400 from 300,
  • Maximum Stamina: 300 from 200,
  • Oxygen Consumed Per Stamina Used: 2 from 4,
  • Base Weight Capacity: 500 from 100,
  • Food Consumption Per Hour: 200 from 600,
  • Water Consumption Per Hour: 300 from 900,
  • Oxygen Consumption Per Hour: 100 from 480,
  • Health Regen Per Minute: 50 from 25,
  • Minimum Fall Damage Velocity: 11000, (Removes Fall Damage)
  • Maximum Fall Damage Velocity: 22250, (Removes Fall Damage)
  • Cold Resistance: 60 from 0,
  • Heat Resistance: 60 from 0,
  • Stamina Regen Per Minute: 3800 from 2400,
  • Collision Damage Resistance: 100 from 25,
  • Skinning Speed: 20 from 0,
  • Enable Highlight Small Animals When ADS,
  • Enable Highlight Medium Animals When ADS,
  • Enable Highlight Large Animals When ADS,
  • Base Animal Highlight Distance: 17500,
  • Enable Automatic Wood Collection On Harvest
  • Enable Map Can See World Bosses

-Stacks Level 1 and 2: Increases the stacking amounts of Items

-Slots 2X and 4X: Increases the number of slots in Player/Items Inventories

-Disable Temps: Removes the temperatures from game.

-XP Boost

  • Level 1: Boosts XP by %500
  • Level 2: Boosts XP by %1000

11/15/25 Ver 2.3.6

-Added to Full release.

-Several changes to help prevent Exception Errors.

-Added Mod Json Viewer to the Edit Mods Tab.

-Database now should go back to filtered mode after downloading a mod.

11/9/25 Ver 2.3.5

-Added special mod file considerations for laanp and ShadowWolf2099 filename issues. Mod name and folder will no longer use pak filename.

10/27/25 Ver 2.3.4

-Fixed bug when using Refresh Local Files it would only download the first 301 mods.

-All PAK mods when downloaded from the online database will use the modinfo.json from the author to create the mods folder name.

-Changed the display info to check for any file called readme if readme.txt file is not avail in the mods folder.

10/25/25 Ver 2.3.3

-Added Show notes option to editor 1, This will display a form that saves personal notes for editing mods.

-Added Remove selected items from list for the Selection list in the Original JSON form.

-polished background functions to quickly create mods.

9/6/25 Ver 2.3.2

-Added fix for D_ProcessorRecipes.json changes

-Added sorting system for Name values if JSON files.

-Added several background functions to quickly create mods.

7/14/25 Ver 2.3.1

-Rebuilt database update system to allow for more than 300 mods.

-Added the ability to remember IMMs location on your screen.

5/14/25 Ver 2.3.0

-Fix merge issues with only selecting Speed Crafting.

Icarus Mod Manager 2.2

5/12/25 Ver 2.2.9

-Bug fix for Date Error.

5/4/25 Ver 2.2.8

-Added the ability to have custom names for mods in your Extracted Mods list. Right click in the section and select Create Mods Language File. This will Create a file in IMMs app folder called LanguageMods.ini. Open this file and you can add custom names to the right hand side of the lines.

-Added the ability to backup an extracted mod so you can try editing it without the worry of messing it up. Right click mod in the Extracted mods list and select Create mod backup.

-To load a created backup, just select the mod and right click and select Load Mod Backup.

3/15/25 Ver 2.2.7

-Removed several notifications for weekly updates as requested.

-Added several new functions for future features.

12/11/24 Ver 2.2.6

-Changed local folder to a variable for changes in future updates

-Changed the Delphi Class I use to download files to help with compatibility for systems with out IExplorer.

-Fixed bug in merge game Item json into mod.

12/5/24 Ver 2.2.5

-Fixed show out dated mods value not saving.

-Merged list now is restored when importing pak mods to IMM.

-Changed UI to be more of a showcase for selected mod rather than a lot of files on screen.

-Added Show Files View option in settings Default in disabled and removes the files list when you click on a mod. This allows a nicer UI for basic uses that dont care about the files that a mod contains.

-Added Add Item to Mod option in the right click menu when editing a mod. This allows you to add all the json from premade templates or you can add ALL the json for any item in game you select. This will drascticaly reduce the time to create custom items in mods!

-Added new file called NewItemOptions.json. This contains several Item Templates that can be added to a mod to quickly add items and all the necessary json files.

-Added Re-Extract current json in Editor. With the introduction of adding item to mod, there was default json added that may never be changed when editing an added Item. This will merge mod back into game files and then re extract it back out to remove any default json that is not needed in the extracted mod.

-Changed several Core functions to be more dynamic so you can merge and extract without creating PAK files and disrupting mods header info.

-Reduced the run count for displaying the Introduction screen from 20 down to 10!

10/20/24 Ver 2.2.4

-Fixed 2 bugs when editing a mod and you select add file to mod. Now it will prevent you from placing the file json in an invalid location. Also now refreshes the json automaticaly.

9/23/24 Ver 2.2.3

-Fixed error on run issue.

-Added second editor. You can edit mods in 2 seperate editors incase you want to look at one mod while working on the other.

-Added a few editor features to the menus.

-Fixed issue with auto enabling extract updates which causes multiple update extractions for new users.

8/18/24 Ver 2.2.2

-Fixed skinning issues with a few UI items.

-Fixed the ui font not changin in all areas.

8/16/24 Ver 2.2.1

-Enabled the skin editor form by right clicking on main form or inside the mod editor screen.

-Made all pages skinable

8/15/24 Ver 2.2.0

-Fixed rename mod issues.

-Added ability to unpak games pak files just like my mod editor(Make sure Mod developement is enabled in settings) You will also need to add the oodle compression plugin to your unrealPak folder!

-Fixed issues with no text displaying when checking for update.

-Added option to refresh database and update local files to save time when you dont need to update all local images/text files.

-added several new menu items when right clicking in the editing screen.

7/30/24 Ver 2.1.9

-Fixed several small bugs.

-Redid the whole unpak function to be more reliable with extremely large pak files.

-Several new features for modders in the edit mod screen.

-Changed the outdated mods date system to be compatible with other locals.

-Several backend changes for the new features coming out in 2.2.0 :)

6/30/24 Ver 2.1.8

-Improved the Merge efficiency.

-Background changes to clean up code.

-Added option in settings to hide Log updates when merging mods.

-Added progress bar for merging mods so you can see how far along it is.

-Changed wording on merge conflicts to hopefully be more clear on what the conflict is and the options avail.

6/29/24 Ver 2.1.7

-Improved the Merge efficiency.

6/16/24 Ver 2.1.6

-Fixed bug with multiple new Items with same name not being added to pak file.

5/29/24 Ver 2.1.5

-Changed show message of invalid date to add line to log that mod contains invalid date.

5/27/24 Ver 2.1.4

-Downloads section now returns you to same spot in list after downloading a mod.

-Added create new mod option to rightclick menu in main extracted list. This will create a new extracted mod folder and json to start a new mod in IMM

-Added new menu when right clicking in IMM editor in the Json section. Allows Copy and paste from there as well as several other new options.

Insert file at location. This will allow you to add the header needed for a file in the editor. Selecting this will show a list of all the games files and allow you to select one. After it is add, just click save and it will expand the json and propperly format it, then click Re-Load in the upper left corner for the file to show in left list.

Merge existing mod into this one. This allows you to merge an existing mod with the currently editing one. Will copy all files and merge the extracted json.

Open mods folder. This will open the folder of the currently editing mod.

-Added 3 copy buttons and 3 paste button at top of editor. This allows you to select json data and store it for pasting. Hovering over the top of the button will display the json stored. There are also 3 copy buttons on the "View Originals" page that corrispond to these same 3 buttons.

-Added Undo button to the IMM editing page.

3/18/24 Ver 2.1.2

-Added Download/install for UnrealPak for new users

3/10/24 Ver 2.1.1

Quality of Life Update!

-IMM now reloads the last merged list at start.

-Added a button on right side to Reload last merged list at any time.

-IMM now saves the last merged list in its own folder for access anytime(LastMergedMods.txt).

-IMM now saves the list of merged mods in your mods folder along with IMM_Merged_Mod_P.pak called IMM_Merged_Mod.txt this is for servers so you can copy both files to your servers mods folder and always know what mods are in the IMM_Merged_Mod_P.pak file.

-Added the ability to add merge options to game with no mods selected.

Just select the merge options you want to add and click Install All Listed Mods with no mods added to the list. IMM will pop up a question asking if you want to create a mod with the merge options and add to game.

-IMM now saves the merged Options you have selected when you close it, and restores those option the next time you run it.

2/23/24 Ver 2.1.0

-Redid UI to allow new merge options.

These new options are added after the mods are all merged. By doing this it effects the custom item mods also. To use these options, just select the options you want to eneable before clicking Install All Listed Mods button.

-Added reduce crafting cost %25 to merge options

This will reduce all crafting bench recipies by %25.

-Added reduce crafting cost %50 to merge options

This will reduce all crafting bench recipies by %50.

-Added Creative mode to merge options

This will reduce all crafting bench costs to 0.

-Added Speed Crafting to merge options

This sets craft time to 1 for all items.

Icarus Mod Manager 2.0

1/14/24 Ver 2.0.7

-Added Minimize button.

-Added Language.ini to allow uses to change the display text.

-Added experimental post process functions for future functionality.

1/5/24 Ver 2.0.6

-QuickFix for Display issues

12/30/23 Ver 2.0.5

-Added new Syntax Highlighter for the Editor page.

-Added ability to search in the editor.

-Added new page for viewing original json when in the editor.

12/10/23 Ver 2.0.4

-Minor bug fix with UI

-Added sort to mods download page when clicking on column headers.

11/7/23 Beta Ver 2.0.0

First Beta release of new 2.0 system/file/folder setup. I set this as a Beta as its a total rewrite of the backend folder structure/extracted mods system. NOT COMPATIBLE with previous versions of IMM. Do not place in your old IMM folder as it will not pick up any mods. Since the folder structure is all new Place in a new folder with a fresh start.

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