SceneViewport touch input events don't respect Default Viewport Mouse Capture Mode

Tools - Jun 23, 2017

In Project Settings, we allow users to set Default Viewport Mouse Capture Mode to specify how the viewport handles mouse capturing, with the default setting capturing and releasing the mouse on the ...

"+Create Binding" added to a "Text Block" makes the Text not visible in Standalone Game

UE - Editor - UI Systems - Sep 6, 2017

The visibility of the Text depends on the "+Create Binding" being added or not added. Now, If we go into our Widget Blueprint Designer > over in the Details panel under Content > Select "Bind" and ' ...

Editor crashes when calling a "scroll into view" node with missing parameters

UE - Editor - UI Systems - Jan 15, 2018

There is an issue where Editor crashes when calling a "scroll into view" node with missing parameters. This issue should be caught when compiling the blueprint as one of the values should not be nul ...

Sliders and check boxes not working on touch screen device

UE - Editor - UI Systems - Aug 31, 2015

When launching on to a device with a touch screen the Slider widget and the check box widget do not appear to respond to touch inputs. Note: Samsung Galaxy note was used for this test ...

Mouse over events do not trigger if mouse button is held

UE - Editor - UI Systems - Sep 7, 2016

Widget events for On Mouse Enter, On Mouse Leave, OnHovered, and OnUnhovered don't trigger if the left or right mouse button is held down when the mouse passes over the widget. ...

A 3D wdiget with a text block that has a large font size will crash a packaged project

UE - Editor - UI Systems - Oct 20, 2015

Using a 3D Widget with a text block who's font size is set to 1,000 will give a fetal error when packaged. Note: The package will succeed, however when the project is opened the user will receive ...

[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]

UE - Anim - Sequencer - May 30, 2017

This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...

Renaming a function for a text block and switching tabs will cause editor to crash

Tools - Oct 28, 2014

If you place a text block into UMG and then click on bind for the text in that text block (in the details panel) it will make a function. If you rename said function and then click the designer tab ...

Pressing ESC while on a drag operation makes drag visual to be disappeared and OnDragCancelled not to be called.

UE - Editor - UI Systems - Dec 11, 2018

DragDropOperation is removed when pressing esc button. but this is skipping OnDragCancelled so it can disrupt user's UMG drag operation logic.  ...

[CrashReport] UE4Editor_UMG!TBaseDelegate<FMargin>::operator=() [delegatesignatureimpl.inl:381]

UE - Editor - UI Systems - Aug 29, 2017

This is a longstanding and common UMG crash that has affected more than 200 users since at least the 4.15 release. User DescriptionsI was working in the UI and undid several last changes in quick s ...