Crash When Adding a second animation timeline after adding keys to the first

UE - Anim - Sequencer - Nov 16, 2015

If the user adds a second time line to a widget blueprint after the first has had a key frame add then the editor will crash if the curve editor is selected. ...

[CrashReport] UE4Editor_UMG!UButton::SynchronizeProperties() [button.cpp:62]

UE - Editor - UI Systems - Sep 7, 2017

This is an infrequent but longstanding crash that has occurred since at least 4.13 and affected more than 350 users. User DescriptionsI using widget bp. I Try moving blur mistake same time press ct ...

After clearing the options of a ComboBox (String) widget it will not update

UE - Editor - UI Systems - Jan 13, 2015

If a user uses clear options on a combo box (String) and then tries to add new and different data, the data that is added was the data that was removed with the clear options node. ...

Texture Color in UMG reverts to default value after Sequence is over

UE - Anim - Sequencer - May 30, 2017

After the timeline exceeds the sequence, the Material on the image reverts to default Red. This does not happen to the color on the font however. This does Not happen in Main and in 4.16.1 therefo ...

Scrollbox widget moves much slower when using a gamepad

UE - Editor - UI Systems - Aug 1, 2018

Using the gamepad to scroll a scrollbox causes the scrolling to move slower. Tested in 4.18.3(CL - 3832480), 4.19.2 (CL - 4033788), 4.20.1 (CL -  4233996), 4.21 (CL  - 4245542) ...

Safe Zone and Safe Zone widgets ONLY work in fullscreen

UE - Editor - UI Systems - Slate - Feb 17, 2017

FDisplayMetrics are calculated using the primary display resolution. This makes testing of safezone worst cases in anything but full screen impossible. ...

Color Picker will open half or more off screen

Tools - Dec 15, 2015

Users are experiencing an issue where the color picker is opening half or more off screen. This is particular bad for users who only have one monitor. It is most prevalent in a UMG Widget BP, but ...

Actor reference in a struct is replaced by an object reference when saving a struct

UE - Gameplay - Blueprint - Aug 15, 2017

Actor reference member variable in a struct is changed to become an object reference when saving a struct. ...

[Rhino Materials] Transparency map is replaced after imported from Rhino into UE4

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 24, 2018