Landscape Change Component Size Tool removes foliage from landscape

UE - World Creation - Worldbuilding Tools - Foliage - Dec 12, 2017

Foliage painted onto a landscape will disappear when Sections per Component is changed from 1x1 to 2x2. Affects 4.17.2 CL 3658906, 4.18.2 CL 3794801, 4.19 Main Possible Workaround is to set the Re ...

SetActorEnableCollision does not affect Destructible meshes

UE - Simulation - Physics - Destruction - Jan 4, 2016

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...

Planar Reflections do not respect SkyLight intensity

UE - Graphics Features - Nov 14, 2017

Planar Reflection actor does not reflect the intensity change of the SkyLight. In attached images, the Intensity of the SkyLight is set to 2. The darker area on the right is affected by the Plana ...

Skybox Textures Have a Seam When Using a Cube With Inverted Normals

UE - Graphics Features - Feb 14, 2020

Skybox textures can have a seam when using an inverted cube for a sky. Attached is an example 4.24.2 project. Note: One of the attached seam screenshots is hard to see unless you expand it. Found ...

Data validation FAILED due to IWBE_Blutility containing invalid data

UE - Content - Engine - Jan 11, 2021

4.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...

Event Dispatcher name changes do not propagate to related nodes until the editor is restarted

UE - Gameplay - Blueprint - Mar 17, 2015

Event Dispatcher name changes do not propagate to related nodes until the editor is restarted. This does not appear to affect functionality in 4.7.2. In Main, the nodes must be refreshed to restore ...

SpawnActor node evaluates pure inputs twice

UE - Gameplay - Blueprint - May 9, 2017

When the node Spawn Actors from class is used with a pure input (in this case a pure function with a transform output) The result is that it get evaluated twice. In the test project provided a print ...

Steam Sessions fails to create when using the Create Session node

Docs - Nov 30, 2021

This is a Regression. 4.26.2 - Binary - no issue creating a session. 4.27.1 - Binary - no issue creating a session if you convert a previously working 4.26.2 project. 4.27.1 - Binary - Fails to c ...

EditCondition specific does not prevent values from being changed.

Tools - Mar 9, 2017

1) Using the Meta specifier EditCondition will gray out the property box so that it cannot be clicked, but using tab from another property box will place the cursor inside the grayed out box. 2) V ...

Soft Object unloads after some time when stored in a Blackboard

UE - AI - Mar 11, 2020

When loading a Soft Object and directly placing the loaded Object into a Blackboard, after about 2 minutes the Object will unload and become null inside the Blackboard. This issue only occurs in a p ...