It would be helpful if Item products could have a particular durability assigned to them when the item is a tool prototype. This will make it easier to prevent infinite science loops when using science packs as a recipe ingredient or recipe product. Additionally, the ability to transfer durability ...

In the "barrel" item's Factoriopedia description, there are lists of barreling and unbarreling recipes separate from the "made in" and "alternative recipes" sections generated by default. As far as I can tell, these sections are hardcoded in the engine, and cannot be created by modders for other ...

While working on Muluna, Moon of Nauvis, I attempted to add data(a distinct class of fluid only transportable via data cable pipes) ports to the vanilla Assembling machine 3. This process has brought me many frustrations, mainly existing crafting recipes placing fluid input/outputs where they ...

Here's the log file.

I've written a new branch of "Muluna, Moon of Nauvis" to test the new mod-data prototype, but I've found that unlike other prototypes, mod-data objects are immutable after their initial definition, which limits their usefulness and breaks from conventions of other prototypes.

https://github.com ...

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In most cases, Factorio is able to scale multilayer icons correctly when icons are larger than expected, keeping the icon within the game's expected bounds. The one exception is in the research progress indicator ...

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At the moment, wire shadows have their opacity hardcoded to 0.5, when their opacity should follow the surface's shadow opacity variable. This, in addition to the prevalence of single-layer sprites with baked-in shadows, makes it difficult to change shadow opacity on ...

It's not completely clear why, but emptying my mods folder solved the problem. I spent some time before this problem appeared downloading a large number of random mods for the sake of doing automated testing, and at least one of those mods makes it impossible to browse multiplayer servers.

This crash occurs when attempting to browse public multiplayer games in the server browser. After receiving a response from the server, the game will crash with an unexpected error. This crash does not occur if I disconnect my computer from the internet and do the same thing. Instead, the game will ...

Following instructions for the regenerate_entity function https://lua-api.factorio.com/latest/classes/LuaSurface.html#regenerate_entity , while it is able to generate resources that already existed, it can not be used to write a migration script that adds a new resource to an existing world.

To ...

To reproduce:

1. Disable all mods.
2. Go to "Mods/Explore."
3. Type "MT-lib" into search bar.
4. Download "Midnighttigger's Library."
5. The game will throw an unexpected error.

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When one attempts to research a technology with the "send-item-to-orbit" research trigger, sending the specified item into orbit will not research the technology, as the game's tooltip indicates.

This problem appears in the mod "Muluna, Moon of Nauvis," where the ...

In Paradox games like Europa Universalis IV, the game has all in-engine variables stored in a file called defines.lua. In this file are all variables that are central to how the game operates, including variables that determine the aggressiveness of AI, the way that being ahead of time in technology ...

Certain mods such as Entrenched Enemies add high-quality variants of existing enemies with more HP and a longer spitting range. In cases when mods like this are installed, it would be helpful to be able to add a flag to a mod that enables an interface to select target priority of turrets based on ...

This is a bug within Factorio's documentation, not with Factorio itself.

The current version of Factorio's documentation does not document the "auto_recycle" recipe-prototype feature, which appears to control if a recipe is reversible via recyclers. Without documentation for this feature, modders ...

At the moment, it's not possible to parametrise entities that filter only by quality. Adding the ability to parametrise quality filters would save a lot of time when making quality filters.

I've made some changes to the "Application directory" wiki page to say that blueprints are now backed up by Steam Cloud, while adding instructions on how to transfer blueprint collections between installs. Hopefully that will stop other people from struggling with this issue, as I have.

I was not aware that blueprints were backed up in a folder within Steam when Cloud Save is enabled. It doesn't look like that's documented on the Factorio Wiki, at least not when it comes to blueprint backups. Every post I could find on the topic said that Cloud Save does not save blueprints, but ...

I usually play the DRM-free version of Factorio, but last night, I installed the game on Steam so I could play with some friends via Steam. To make this fresh install identical to my other install, I decided to copy config.ini and all three blueprint-storage files (blueprint-storage.dat, blueprint ...

if settings.startup["experimental-features"].value==true then
for i,entity in ipairs(Aircraft_List) do
local new_plane = table.deepcopy(data.raw["car"][entity])
local old_name=new_plane.name
new_plane.name = new_plane.name .. "-carbon-fiber"
new_plane.weight=new_plane.weight/2
--new_plane ...