New TRS Gizmo Add to selection (Ctrl+Alt+Shift+LMB Drag) not working

Development Pipeline & Plugins
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Use Ctrl+Alt+LMB drag to make a selection in the viewport. Note marquee select box and selection work as expected.

Attempt to add to the selection by using Ctrl+Alt+Shift+LMB drag. No marquee select box is display and it behaves like a single Ctrl+LMB click to toggle selection of whatever is below the cursor when the button is released.

You can re-enable the Legacy Gizmo which does work.

I also applied these changes which seemed to work too:

// Updated UFrustumSelectInteraction::UFrustumSelectInteraction() call to SetBindings to use:
		ClickDragBehavior->SetBindings({
			UE::Editor::ViewportInteractions::FButtonBinding(EKeys::LeftMouseButton).TriggersStart(),
			EKeys::LeftControl,
			EKeys::LeftAlt,
			UE::Editor::ViewportInteractions::FButtonBinding(EKeys::LeftShift).Required(false)
		});
// Updated UBoxSelectInteraction::UBoxSelectInteraction() call to SetBindings to use:
		ClickDragBehavior->SetBindings({
			UE::Editor::ViewportInteractions::FButtonBinding(EKeys::LeftMouseButton).TriggersStart(),
			UE::Editor::ViewportInteractions::FButtonBinding(EKeys::LeftControl).Required(false),
			UE::Editor::ViewportInteractions::FButtonBinding(EKeys::LeftShift).Required(false)
		});

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Steps to Reproduce

  • Use Ctrl+Alt+LMB drag to make a selection in the viewport. Note marquee select box and selection work as expected.
  • Attempt to add to the selection by using Ctrl+Alt+Shift+LMB drag. No marquee select box is display and it behaves like a single Ctrl+LMB click to toggle selection of whatever is below the cursor when the button is released.
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3

Sorry for the disruption! This will be fixed in an upcoming release of 5.8

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