Reproduce:
Make an upgrade planner, set upgrade from speed module to speed module 2, or upgrade from machine to machine and set the to's module slot.
Use this planner to upgrade entites.

When upgrading, a construction order is made instead of a instant module replacement.

I am not considering this to be a bug, quite contrary: if the pump would transfer fluid to a wagon even if the fluid does not match fluid filter, i would consider that behavior to be a bug because if a train would leave while being full and new train would arrive, fluid would be dumped regardless ...

Reproduction Steps: Please refer to the blueprint exchange at the bottom.

Expected Behavior:
0. When a pump is transferring fluid from one system to another, it should always attempt to empty its contents, even if the filter does not match the remaining fluid in the pump.
1. The pump should also ...

For modded games in the expectable future, the new achievement restrictions will be really annoying, since some large overhauls like Space Exploration slows the progress, that the default evolution setting and pollution setting is actually harder than expected. Not to mention players can't get any ...

I could not reproduce this, please check my savefile. The problem persists even after save-load.

It should use a different locale key, like "Damage in wait condition __1__".

Reproduce:
1. Turn on editor mode and set `ignore surface properties` to `true`.
2. Build a cargo bay on a space platform.
3. Build a cargo landing pad near to the cargo bay.
4. Deconstruct the cargo bay.
Log:

182.912 Error CrashHandler.cpp:641: Received SIGSEGV
Factorio crashed. Generating ...

The parametrise button in blueprint editing gui still uses legacy parameter background icons.

Reproduce:
1. use a modded beacon that support quality or productivity modules
2. fast replace it with vanilla beacon
3. quality modules remain in vanilla beacon (it functions)

When checking the recycle recipe in factoriopedia of one item, that is:
1. Made from only one type of item
2. Doesn't recycle into itself

It will display recycle recipe as "k × something recycling", where k is the floor of the recycling recipe output, but something is the original item.

E.g ...

My suggestion is, landmines in space destroy all landmines in a certain radius and those landmines will not deal damage. So using landmine as a last resort is still acceptable, but abusing them in large scale will not be practical.

This feels like it could also work if the design was ...

My suggestion is, landmines in space destroy all landmines in a certain radius and those landmines will not deal damage. So using landmine as a last resort is still acceptable, but abusing them in large scale will not be practical.

Duplicate of 118408.

Reproduce: build underground belt ghosts on where smart belt building will build them. Drag actual belt through, and only the entrance underground belt will be built.

In version 1.1, achievements remain marked as completed across all saves once unlocked, even if the conditions to complete them are later broken. This behavior persists unless the achievement is manually reset.

I unlocked the "Logistic Network Embargo" and "Rush to Space" achievements on two ...

Reproduce:
1. Turn on "Pick ghost item if no items are available" and "Smart belt dragging".
2. Get rid of the belts in the inventory but have at least 2 underground belts of the same tier.
3. Build the ghost belt(DO NOT hold shift) through one building.
4. Underground belts are built successfully ...