Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime

UE - Editor - UI Systems - Jun 10, 2016

Setting "Is Enabled" via the animation timeline in UMG does not appear to work at runtime ...

ChildActorComponent (SkeletalMesh) goes into tpose when calling SetChildActorClass

OLD - Anim - Mar 19, 2018

There is an issue occurring where when updating an animation of a child actor by setting the Child actor class, the animation will flash the skeleton in a T-Pose before continuing with the animation ...

ShaderCacheTool build fails

UE - Graphics Features - Oct 25, 2017

In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...

CLONE - ShaderCacheTool build fails

UE - Graphics Features - Nov 20, 2017

In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...

Particles: SetFloatParameter not always having an effect

UE - Graphics Features - Oct 7, 2015

A licensee is trying to use Distribution Float Particle Parameters for the Noise properties of a Beam Particle. When trying to change these parameters in a Blueprint, some work, others don't. When ...

Grandchildren of UDataAsset are not properly registered by the Asset Manager

UE - Gameplay - Sep 19, 2017

Any child class of UDataAsset (parent) will properly be picked up when the Asset Manager's Asset Base Class" field is set to the appropriate class. However a grandchild class (Child) with the same ...

Decal Fading parameters are completely broken

UE - Graphics Features - Sep 20, 2020

Bindless Virtual Textures are sampled with non-virtual samplers

UE - Rendering Architecture - Materials - Nov 28, 2024

Texture Collections can contain virtual textures. There is no way to inform TextureObjectFromCollection that the texture is virtual, only that it is a Texture2D. This texture object is then sampled ...

Components defaults not updating on hot reload

UE - Gameplay - Blueprint - Apr 11, 2017

Certain values, when changed in code, are not updated in a hot reload. For example, changing the Target Arm Length of a spring arm component will updated after hot reload, but changing the Scale do ...