Child Animation Blueprints Do Not Get Recompiled Correctly

Gameplay - Jan 7, 2020

The child of an animation blueprint is not properly recompiled when the it's parent is compiled. Found in 4.24.1 CL#10757647 ...

The vertex color view mode in the vertex painting editor mode ceases to work when the project setting "Extend default luminance range in auto exposure settings" is enabled.

Rendering - Dec 31, 2019

When "Extend default luminance range in auto exposure settings" is enabled, the Color View Mode in the vertex painting editor mode ceases to work and without any warning to the user. ...

NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.

PixelStreaming - Dec 24, 2019

i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card).  I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...

Vulkan with Forward Shading & MSAA Crashes

Rendering - Dec 23, 2019

Projects crash when the following Project Settings are set: • Vulkan is enabled • Vulkan is the Default RHI • Forward Shading is enabled • AntiAliasing Method is set to MSAA The different engine ve ...

Reading curves from an FBX incorrect with FFbxCurvesAPI

Tools - Sequencer - Dec 20, 2019

A licensee has brought up some inaccuracies in the reading of curve data from FBX files: #1, Remove calls to SetKeyInterpMode, SetKeyTangentMode, SetKeyTangentWeightMode, and change them to NewKey. ...

A repainted cloth mesh continues to use previous paint job and does not update

Physics - Clothing - Dec 20, 2019

Cloth mesh reverts back to original painted mesh after editing Tested:     4.23.1 CL#9631420 4.25 CL#10730208 ...

USpringArmComponent::UpdateDesiredArmLocation does not update overlaps

Physics - Dec 20, 2019

Objects attached to a spring arm component, moved by changes to the target length/rotation, do not have their overlaps updated. USpringArmComponent::UpdateDesiredArmLocation calls USceneComponent ...

New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset

Gameplay - Blueprint - Dec 20, 2019

The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...

Replay scrubbing causing issues with placed actors with negative scales

Networking - Replay - Dec 19, 2019

A replicated actor placed in a map with a negative scale value becomes inverted when scrubbing a replay. ...

Automotive Photo Studio Template project renders custom render passes incorrectly

Tools - Datasmith - Dec 19, 2019

Renders with a custom render pass from the level in the Automotive Photo Studio Template are incorrect. They appear to be affected by auto exposure.  ...