Skeletal mesh collision skewed on mirrored meshes

UE - Simulation - Physics - Jan 9, 2018

[Link Removed] Collision on mirrored skeletal mesh does not match mesh. (has same position, but different orientation) Also occurs on latest (3827667) Also tested and occurring with Skeletal Mesh ...

Aperture Value in Lens category of CineCamera has no effect

UE - Graphics Features - Mar 15, 2018

Aperture Value in Lens category has no effect ...

Extreme hitching when using profile command (stat startfile) + other stat commands

UE - Foundation - Core - Apr 19, 2018

Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...

Actors in TMap Blueprint Properties are not copied properly for PIE

UE - Foundation - Core - Sep 4, 2018

Actors that reside in TMap blueprint variables refer to the Editor actors not the copied UEDPIE actors (that we'd expect) when accessed in PIE. This is not the case in standalone; this only occurs f ...

Float value of AIDataProvider_QueryParams is cast faild

UE - AI - Oct 9, 2018

IntValue and BoolValue is always indefinite value in UAIDataProvider_QueryParams::BindData(). Attach the result of Watch in VS. ...

Showing black screen when drawing Distortion and DOF on Android

UE - Platform - Mobile - Jan 13, 2019

[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378),  the "UseFetch" is true as the Android device support shader fra ...

Gameplay windows from Standalone do not remember their positions properly when there are multiple windows

Tools - Jan 23, 2019

The position of game windows from Standalone Game mode are not saved properly when multiple windows are used. The placement of the windows upon the next launch ends up placing all of the windows on ...

Enum editor not adding new enum values

UE - Gameplay - Jul 22, 2019

Blueprint enumeration editor is not adding new enum values. ...

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used

UE - Graphics Features - Lumen - Sep 18, 2019

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

Vertex Painting - Unexpected behaviour when painting Skeletal Mesh with Low Radius Brush

Tools - Oct 21, 2019

Unexpected behaviour when painting skeletal meshes with small radius brush. This does not occur with static meshes. Confirmed in 4.25 MAIN @ CL 9730599 ...