[Fixed][ProBuilder Bug] Can't drag and drop prefabs onto ProBuilder meshes.

This is really hurting my productivity. Just upgraded Unity to 2018.1.0f2 on Windows. I installed ProBuilder via the Package Manager. Current ProBuilder version is 3.0.6. Follow the steps bellow to recreate the bug.

  • Create a new project and install ProBuilder via Package Manager.
  • In an empty scene, create a cube, turn it into a prefab and delete the cube from the scene.
  • Create a new ProBuilder cube with Ctl + K
  • Drag and drop your cube prefab from the Project view onto the the ProBuilder cube in the scene view.

Expected behavior A copy of the prefab should be place in the scene where I drop it
Actual behavior I see a preview of my prefab and as soon as I release the mouse button to drop the prefab, the preview disappears and no object is dropped into the scene.

3483799--277163--ProBuilderBug.gif

Hi! Ah, that is a VERY strange bug- instant repro though, that helps! Thanks very much for reporting this, we’ll get to it ASAP :slight_smile:

Glad I can help, good luck tracking it down :slight_smile:

Tried to track this one down. Unfortunately there is no source but the problem might be in pb_DragAndDropListener.cs. I can only speculate. Maybe the Use() method is being called on the DragPreformed event when it shouldn’t be?

Yes, that looks like the culprit to me. Thanks for your report, this will be fixed asap.

This seems to still be present in 3.0.8 :frowning:

Argh, I thought I was going crazy! Any update on fixing? :slight_smile:

This us haunting me too - thanks for looking into it

Fixed internally, will be part of the next update :slight_smile:

Can’t wait :slight_smile:

Thanks for looking into it.
Any ETA for an update?

This is a pretty critical bug IMO, I stopped using the product altogether, 5 weeks without using pro builder :frowning:

@chatrat12
That’s true.

It should be out this early this week.

Great that is coming out this week.

It doesn’t happen when dragged into a non ProBuilder asset. It is still not as convenient but in case it helps some one, as a workaround in the meantime.

Glad to hear the fix is imminent. You guys have made an amazing tool, I’ll be glad to have it back in my arsenal.

3.0.9 is available on Package Manager as of yesterday.

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Problem is gone, thanks :slight_smile:

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The problem isn’t gone ! If you use a prefab in an unity 2018 version and then open the project with unity 2017 the prefab can’t be dropped