Unreal Engine Issues

DetourCrowdAIController causes AI to update movement differently

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

Distance Fields do not work with Directional Lights when using a AMD Radeon card.

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...

Blueprint compilation error regarding actor component

Blueprint actor has an error in the event dispatcher node. The error states that the node is out of date and needs to be refreshed. Pressing the compile button will removed the error but when the pr ...

Changing LOD materials on Merged Actors Crashes Editor

If you merg actors with LODs with the setting LODSelection Type set to "Use all LOD levels" then apply a material to the element 0 assigned to LOD1 the engine will crash. NOTE I wasn't able to rep ...

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

Layered Control Rigs + Skeletal Mesh with Animation Blueprint in the Sequencer

When a layered control rig track is added to the sequencer the character’s legs will collapse into the body of the character. Switching the layer to additive will do nothing. Trying to force the ani ...

Modifying the properties of a ChildActorComponent in a child blueprint can modify the parent actor ChildActorComponent properties.

When a property of a ChildActorComponent is modified in a child class, the parent ChildActorComponent class can also get modified. This happens when the Parent blueprint actor has a ChildActorCompo ...

'Use Translucency Vertex Fog' does not work on Metal

'Use Translucency Vertex Fog' does not work on Metal despite the following release notes: According to 4.13 Releases Notes:[Link Removed] "New: Shader Model 5 Rendering for Mac Mac Metal now has i ...

Analog Input does not work for network clients (AddMovementInput scale values other than 0 and 1 do not replicate for clients)

If a value other than 0 or 1 (Ex. 0.1) is put into the 'Scale Value' parameter for the Add Movement Input node, any clients will respond as if the value is 1. User claims this worked in 4.6. ...

Crash caused by character referencing a reparented AnimBP

Placing a character that reference to a reparented AnimBP(created as a child of thirdperson, then reparented to AnimInstance) crashes editor after reopening the project. If you already had that charac ...