Static/Movable Tooltip shows odd symbols

Tools - Dec 17, 2015

The tooltip for Static/Movable/Stationary lighting in the details pane of the main viewport show odd symbols before additional information points. See attached image. ...

Behavior Tree Visualizer Runs Sequence Tasks in Parallel

UE - AI - Dec 19, 2016

Tasks in the behavior tree are visually represented as running parallel to one another instead of sequentially when looking at the behavior tree visualizer. This does not seem to have an effect on f ...

The previous value of a struct passed to a RepNotify may be incorrect

UE - Networking - Dec 17, 2018

Replicated structs with multiple properties can have the wrong previous value passed into their rep notify functions if all of the properties do not change in any given frame of replication to the c ...

Widget text fields to not remain highlighted after making changes

UE - Editor - UI Systems - Mar 6, 2019

When making changes to the properties of widgets in the details panel, the text fields to not remain highlighted. This functionality appears present in other areas of the engine. Such as when dealin ...

4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion

UE - Graphics Features - Nov 13, 2019

4.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...

Unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled

Tools - Aug 31, 2017

When going through the engine content you are unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled. If the button is enabled the settings appeared ...

Foliage Painted on BSP is Deleted after Building Geometry

UE - World Creation - Worldbuilding Tools - Foliage - Dec 15, 2014

After painting foliage meshes on a BSP surface and rebuilding the level (more specifically the geometry), the meshes are deleted. This bug is especially nasty because you cannot Ctrl+Z after buildi ...

Custom Events can't be called after changing level blueprint or switching maps

UE - Gameplay - Blueprint - Dec 23, 2014

Custom events cannot be called as functions after being made in level blueprints or after changing levels. User must close and re-open editor to be able to call a custom event. ...

Slider doesn't properly bubble the OnKeyDown event

UE - Editor - UI Systems - Apr 7, 2016

Once a slider receives keyboard focus, the keys will not navigate away regardless of the navigation settings. This is because the slider's OnKeyDown function does not pass along the call when the ev ...

Users custom AI-heavy project crashes if anything is Built

UE - Gameplay - Feb 2, 2015

Users custom AI project crashes if anything is Built. (All, Lighting, Geometry, etc.) The project can be played but receives a message during play that the Navmesh needs to be rebuilt. ...