User widget object is invalid when called in a widget component on BeginPlay

UE - Editor - UI Systems - Jun 25, 2019

User widget object is returning invalid inside of a widget component ...

Fix forwarding of dedicated flag and number of players when running a functional test

UE - Networking - Jun 21, 2019

As described in the UDN question, some settings aren't forwarded correctly to the game instance in PIE during a functional test. Proposed patch attached. ...

Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material

UE - Graphics Features - Jun 21, 2019

When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...

lots of wasted Volumetric lightmap samples

UE - Graphics Features - Lumen - Jun 20, 2019

Expectations: The samples should only surround the lightmass importance volumes.  Imagine if we build a 8K*8K map with lightmap importance volume at the corners of the map, even using stream levels ...

QueryOnly SkeletalMeshComponent causes collisions

UE - Simulation - Physics - Jun 19, 2019

A SkeletalMeshComponent set to query only physics still interacts with collision. This is a regression from 4.21 Seems to be a side effect from a change to GetCollisionEnabled_CheckOwner ...

Gameplay Abilities: FAttributeSetInitterDiscreteLevels::PreloadAttributeSetData does not allow FGameplayAttribute.

UE - Gameplay - Jun 19, 2019

Moving from "float" to "FGameplayAttribute" is causing a test to fail. ...

AspectRatioAxisConstraint forced to be AspectRatio_MaintainXFOV

UE - Anim - Sequencer - Jun 19, 2019

A licensee wants to enforce YFov constraint for a game project by setting AspectRatioAxisConstraint=AspectRatio_MaintainYFOV in the config. However during playing the sequence, the value of AspectR ...

Error during packaging if nativizing a blueprint that contains a TMap with a UserDefinedEnum as a key

UE - Gameplay - Blueprint - Jun 17, 2019

Certain Map container calls (e.g. Find, Add) will fail to compile at packaging time if a Blueprint class containing a Map variable with a user-defined enumeration as the key type is nativized. This ...

Sequencer track appears to skip the first frame on an animation in UMG

UE - Anim - Sequencer - Jun 17, 2019

A sequence created in UMG appears to skip/ignore the first frame. If an event is set to fire off on the first frame of the sequence it will not fire. ...

Rich Text block appears to ignore material settings from default setting after style changes are made and ended

UE - Editor - UI Systems - Jun 17, 2019

After changing a rich text block to use a different style (from a data table) it will ignore the material applied to the the default text style and it will use the color instead. ...