[4.7]UMG widget spawning bug

Development Programming & Scripting UI
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1

It is easily to reproduce.

I recommend you to enable Show Frame Rate and Memory option.

First, Create a widget blueprint.

  1. Open UMG editor.
  2. Select a widget you want to place.
  3. Click and move a widget into a preview window with keeping mouse button down.
  4. Widget will be created again and again until you release the button.

It also increases memory usage and object count.

2

Howdy Varioov,

Thank you for reporting this issue. I have tried to attempt a quick repro of this issue internally and have been unsuccessful so far. Would you be using a source build of UE4 or a binary version? Would you also be able to attach your DXdiag to this post? Would this issue occur with a specific widget or with all widgets?

Any additional information would be greatly appreciated.

Thanks and have a great day!

3

I did it with a binary version of 4.7.

I forgot a condition to reproduce it.
You should click and move(surely with keeping button down) a widget into a widget that can have a child.

for example, moving into CanvasPanel, Borader. etc.

The important thing is to keep a mouse button down so the widget you want to place into another widget is not placed. Do like drag and drop but not dropping actually.

I also tested it on two different system. It showed a same result.

4

Hey Varioov,

Thanks for the video that you have linked. It has helped me to recreate this issue internally. I has placed Jira Report 10820 into our bug database so that the issue may be addressed in a future release. Please let me know if you have any additional questions regarding this issue.

Thanks!