Steps:
* Place some ghost space platform tiles.
* Place a ghost object on them
* Run a belt (ghosts) over that object

Expected: Underground belts get placed where needed
Actual: No underground belts are placed

12-28-2024, 17-00-28.png

Bonus <maybe bug>
Steps:
* As above, but place the ...

Steps:
* Open an assembler / biochamber / ... any building that takes a recipe
* set the recipe to whatever you want
* alt+click on the recipe name (as shown below)

12-24-2024, 16-57-49.png

Expected: Takes you to the factoriopedia article for the recipe / item in question

Actual: Takes you to ...

I've seen this happen when not using filters and no wire connections at all, the collector was not full. Unfortunately I don't have a repo / screen shot to back it up.

Steps: drag belt over multiple horizontal belts with one tile gap between them. For example in the below image, drag a red belt from the top belt to the bottom belt

12-21-2024, 16-44-23.png

expected: underground belt goes under all 3 horizontal belts.

actual: The entrance underground belt is ...

It's definitely copying the tiles. If you copy a building but don't catch the full building in the copy rectangle then it goes red when you try to paste it in space, with the error that you can't build in empty space.

12-21-2024, 16-37-49.png

12-21-2024, 16-38-18.png

12-21-2024, 16-38-55.png ...

Steps: Build something on a space tile, say some underground pipes. Copy them.
Expected: Tiles don't get copied (same as when copying on land), or tiles get listed in the item counts.
Actual: Tiles get copied.

12-21-2024, 12-53-34.png
12-21-2024, 12-54-13.png

The same thing happens when ...

great, thanks

Potentially not a bug, but I think it's worth reporting.

Previously in 2.0.17 and earlier (maybe 2.0.18 too) you could use the destruction planner to destruct the "native" lightning attractors. This was a bit annoying when you were suddenly "unprotected", but fine. You could set up a deconstruction ...

steps: Load the attached save (sandbox). Attempt to place the rails as shown in the images.
expected: rails placed as shown in the preview
actual: no rails are placed, no error produced

11-16-2024, 15-37-17.png

11-16-2024, 15-37-40.png

After clicking to confirm the result is nothing is built ...

Great, thanks.

steps: Build four belts side by side long enough to place a typical 4 belt balancer on. Super force build the balancer (place an item in the gaps of the balancer).
expected: your 4 belt bus now has a balancer.
actual: The preview for super force build looks correct (middle image) but the placed ...

Steps: copy a train stop, place it disconnected from rails.
Expected: "Train stop must be built next to rails error"
Actual: You can place the ghost, and it will get built. This differs from what happens when holding a train stop in your hand and trying to place it. Or holding a ghost in your hand ...

Speed modules decrease quality percentage. Why this only occurs in tier 3 and not tier 2s is maybe interesting but I think you'll find that is your problem. Disable your beacons and see if anything changes.

great, thanks!

No problem, thank you for all the hard work.

steps: Hover over "Agriculture" research.
expected: All text fits in the box
actual: The unlock condition goes out of the edge of the box
I've not seen this for any other items yet.

Step: In remote view build a vertical line of belts that goes throw a tree. You can hold shift to mark the tree for destruction, or don't hold shift to place an underground belt ghost. Then right click on the belt and move up / down to delete all the ghosts. The ghost behind the tree can't be ...

Steps: build a belt going under a particular cliff
Expected: Belt should render correctly
Actual: Some of the cliff is rendered over the top of the belt.
save attached.

Pretty minimal issue but a bit confusing.

Steps:

place a yellow underground belt
pick up a red underground belt and hover over the exit

Expected:
Belt should be shown coming out of the underground and arrows on the "hood" should point outwards.

Actual:
Belt is shown entering and the arrows ...