Good to hear a solution (or workaround) is coming.
In the meantime I found out the reason lies with More-science, which might make sense, since it chances a lot of science as well.
Loading all my mods except More-science takes mere seconds on the technology prerequisite cleanup.

Hi Bob,

Since the last update of boblibrary it takes ages starting the game. I haven't actually finished loading yet. It took 700 seconds, but the game starts eventually.

I added some extra logs in the functions so you can see the timestamps en hopefully pin it quicker.

Modified code
function ...

Is it correct that currently it is not useful to build higher mark boilers and steam engines? (Other than saving space and water)
mk2 sets seem to eat twice as much coal exactly.

I play factorio with a lot of mods. To find them I like to scroll through the lists of all mods on mods.factorio.com
However, sometimes I download a mod for the wrong version.
Is it possible to add a version filter. The information is already there, because it is shown, but please make it possible ...

When the command is used to render a part of the map, i suppose people want this to happen as fast as possible.
However, i noticed that it goes way faster when the game speed is changed.

way to reproduce:
1. /c game.local_player.force.chart(game.player.surface,{lefttop = {x = -1024, y = -1024 ...

I remember this issue from a long time ago.
If i remember correctly, splitters split incoming items by item. so if only 1 sort of item comes in, the first one is placed on the left and the second one the right. With a compressed belt, the 2 lanes of a belt come at the splitter at the same time, they ...

i had to move my defense so the spitters couldnt reach te chest anymore. after some minutes the game crashes when "it"gets attacked. after moving my defense, i played hours without crash.
Here is a link to the save+mods: https://www.dropbox.com/s/r2f2oqhtpu25fee/Factoriobug.rar?dl=0

with kind ...

As the title says, the spitters keep attacking the chest while it is already destroyed.

It is possible that it doesn't show the energy because it isn't needed.
However, i changed this
{
type = "electric",
usage_priority = "solar" <----------------------------------------------------------
},

it am sure it works now. tested it with powering radars.

I noticed this too.but i always thought this was on purpose, since trees and grass need water.
Kind of like a dessert.

Hey guys,

So i am not sure whether this is a bug or a feature but it changed since the previous versions and i don't like it.

In factorio 11.x (and before):
When you got a stack of 50 coal(or anything else) in your hand and control rightclick on anything that takes coal, 25 drops in there and ...