Level sequencer's play to(second) function not working as expected

Sequencer - Aug 22, 2019

The function Play to(seconds) does not functions as it's tooltip implies. "Play the sequence from the current time, to the specified time in seconds". The function instead snaps to the specified tim ...

Ray Traced Ambient Occlusion Uses Resources Even if AO Intensity is 0

Rendering - Ray Tracing - Aug 22, 2019

Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506 ...

Owner No See Tags are ignored when Static Mesh Actor is placed in Level vs dynamically spawned in Level

Gameplay - Aug 21, 2019

Owner No See Tags are ignored when Static Mesh Actor is placed in Level vs dynamically spawned in Level ...

ApplyAnimationCurvesToComponent doesn't propagate everything to slaves

Anim - Aug 20, 2019

In USkeletalMeshComponent::ApplyAnimationCurvesToComponent, while InMaterialParameterCurves and InAnimationMorphCurves are independent of one another, if either of them is empty neither is passed on ...

User List Entry Widget binding Does not update

Tools - UMG - Aug 20, 2019

When using a User List Entry widget it appears not to update its bound properties unless called by an event used by the User List Entry interface. For example if the widget being used is a text widg ...

Control Rig: crashes when compiling after rearranging input pins in an array in Example Rig Unit

Anim - Aug 20, 2019

The crash doesn't occur every time, but it will happen within 3 swap and compiles in my experience. I got multiple different callstacks when I cause the crash using the reproduction steps (they are ...

The Temporal console variable has the wrong value

Rendering - Features Teams - Aug 20, 2019

The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...

GenerateProxyMesh causes incorrect transform in ISM using Scale

Tools - HLOD - Aug 20, 2019

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 ...

CallStack is not output at crash in Android project

Platform - Mobile - Aug 19, 2019

In an Android project that intentionally crashes from C ++, the call stack is not output at the time of the crash. Perhaps the function that outputs StackTrace in DefaultCrashHandler of AndroidMisc ...

Paper2D performance regression due to TArray resizing

Rendering - Aug 16, 2019

We've noticed after upgrading our heavy Paper2D project to 4.22 that tilemap performance has been massively degraded compared to previous versions. After some digging we found out that it's due to a ...