Unreal Engine Issues

Importing low key frame animations with custom attribute curves have their keys offset affecting pose asset generation

When creating a pose asset based on an animation and curves with a low number of keyframes if you switch between the pose assets poses, the curves will not be correctly timed with the animation beca ...

Color changing through material parameter collection in a emissive material will not affect lightmap baking, unless recompile the material.

RadialForceComponent ignores collision of Object Type set in Collision Presets if component is initialized in C++

When a RadialForceComponent is attached to a object in C++, it doesn't take on the "Object Types to Affect" in the component settings of the Blueprint. If the RadialForceComponent is created as a co ...

Line trace fails to detect Destructible Mesh

When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...

"Convert to Blueprint" removes ability to edit component properties

As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...

'Get Distance Along Spline At Spline Point' Causes Crash

User reports that the reason for the crash is that because UpdateSpline is false on the AddSplinePointAtIndex blueprint node, this line is never called [ReparamTable.Points.Reset(NumSegments * Repar ...

Assign Event On Destroyed no longer creates Custom Event Node

When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space;  type "Assign on Destroyed"  and select  "Assign ...

Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering

The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...

ARCore plugin missing 'tools' components

https://forums.unrealengine.com/development-discussion/vr-ar-development/1494917-ue-4-20p4-arcore-image-database-cannot-build/page2 Bo Pang from Google writes: "I think there are two issues here: 1 ...

Blueprint Projects can't make APK without compiled .so Error when packaging for Android with any Plugin Disabled

Blueprint Projects can't make APK without compiled .so Error when packaging for Android with any Plugin Disabled. Also seeing Gradle errors if SteamVR plugin is disabled. Setting min version to 14 ...