Unreal Engine Issues

Set functions in UWindDirectionalSourceComponent are not exposed to be called from code

None of the Set functions in the UWindDirectionalSourceComponent are able to be called from code. The functions can be called from Blueprint, but without the ENGINE_API macro, none of the functions ...

APlayerController::FlushPressedKeys is (incorrectly?) called when the client viewport loses focus.

When focus changes an IE_Released event occurs for the W key (your character stops moving) due to UGameViewportClient::LostFocus calling APlayerController::FlushPressedKeys. Because of the R key pre ...

Relationship between joycon stick value and Deadzone

Setting the dead zone of Joicon causes the dead zone to be ignored in the direction of full X, -X, or Y, -Y. ...

GenerateProxyMesh causes incorrect transform in ISM using Scale

MeshVertex has been converted by component transform before being converted by instance transform. It is ( Vertex * ComponentTransform ) * InstanceTransform. I thought it has to be converted by (Ve ...

Widgets stick out from letterboxed player screen on 4.25

Note:   Clipping on letterboxed player screen works fine on 4.24.   This issue was brought in by CL#10541213. Here's a workaround TSharedPtr<SGameLayerManager::FPlayerLayer> SGameLayerManager::Fin ...

Building UE4Game fails during the build phase while packaging on Linux

This is happening only for Blueprint template projects. After I hit the issue on the BP project, I went back and tried a Code template project as well. I was NOT able to reproduce this with a Code t ...

Enabling Shader compilation via XGE for 4.18 Editor downloaded from Launcher doesn't work, prevents shaders from compiling at all, editor from loading in some cases

If you enable Shader compilation via XGE by setting r.XGEShaderCompile = 1 in ConsoleVariables.ini in 4.18 Editor downloaded from Launcher, it prevents shaders from compiling at all, and as a result ...

Anim Slot Manager Options Disappear When "Use Small Tool Bar Icons" is Enabled in Editor Preferences

When Use Small Tool Bar Icons option is checked in Editor Preferences, the icons for Save, Add Slot, and Add Group in the Anim Slot Manager are not longer visible but register as still there and rem ...

CharacterMovementComponent causes the Character to slide when jumping on moving objects

When the CharacterMovementComponent makes the transition from falling to walking, it retains the forward velocity it had while falling. When the character lands on the moving object, its new velocit ...

CSM receiver culling issue on Mobile