Steps to Reproduce
  1. Create a simple Project.
  2. Create a UserWidgetBP and add a ScrollBox in it, add some buttons to the ScrollBox.
  3. Create an ActorBP and add a WidgetComponent, set the widgetBP created the last step.
  4. Set "receive hardware input" to true in widgetcomponent's detail panel.
  5. Add the ActorBP to level.
  6. Package the project and launch it on mobile.

The scroll box can't be scrolled with touch input.

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There's no existing public thread on this issue, so head over toAnswerHub just mention UE-66839 in the post.

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Backlogged
ComponentTools - UMG
Affects Versions4.21
CreatedNov 26, 2018
UpdatedSep 16, 2019