Critical Errors when replacing references of blueprints

Tools - Mar 26, 2015

If an instance of a blueprint is in the scene selecting it and another blueprint and choosing the option to Replace references of the one in scene with the other will cause Critical Failure errors. ...

Attempting to Open a Widget Blueprint With Animation and Timeline Panels Hidden Causes the Editor to Crash

UE - Editor - UI Systems - Nov 11, 2015

When you attempt to open a widget blueprint when you have hidden the animation and timeline panels, the editor will crash. There is a workaround: Window->Reset Layout will allow you to open the blu ...

Regression: Visibility property is not seen in the animation track in UMG

UE - Anim - Sequencer - Mar 6, 2017

Visibility track in 4.15 launcher version is not visible. Converted projects from previous version which already had this track, but cannot create new one. If I add Interp keyword in the UPROPERTY, ...

Crash after deleting Editor Utility Widget and accessing it from Window menu

Tools - Feb 25, 2019

Crash after deleting Editor Utility Widget and accessing from Window menu ...

Preview Background Feature Removed From UMG In 4.13

UE - Editor - UI Systems - Sep 26, 2016

Widget Blueprint no longer has "Preview Background" feature in 4.13. This is misleading since the documentation mentions to use this in the workflow here: https://docs.unrealengine.com/latest/INT/En ...

Unhovered event occurs twice with 3D Widget when button is pressed and held

UE - Editor - UI Systems - Jul 21, 2017

When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...

Web browser widget renders white for certain web pages on Android

UE - Platform - Mobile - Aug 27, 2019

When loading certain web pages with the Web browser widget on android, the web browser widget appear to fail to fully load the page. The page results in a white screen only. ...

Tiling for image widgets secretly carries over from image to box setting

UE - Editor - UI Systems - Aug 10, 2015

When using an image widget if the user selects tiling under the image option and then changes the "Draw as" option to box. The tiling setting will remain even though "box" does not have a tiling opt ...

Crash when using "Set Key Time" on an animation key in UMG

UE - Anim - Sequencer - Nov 25, 2015

If the user right clicks a key in the animation timeline in UMG and uses "Set key time" the editor will crash. [Link Removed] ...

Vectors added to blueprint components don't display 3D widgets when the applicable options are set.

UE - Gameplay - Blueprint - Jun 5, 2015

Component blueprints behave differently to normal actor based blueprints with regards to the show 3D widget option when a vector in the blueprint is set to editable. Basically the 3d widget never s ...