Reflection captures cannot capture any ray tracing effects

UE - Graphics Features - Lumen - Aug 4, 2020

Currently, Reflection capture ignore any ray tracing effects. So let'say you want to use only ray tracing shadow but also you want to use reflection captures for reflections instead of ray tracing r ...

Point lights affect indirect lighting on RTGI much less than other types of lights

UE - Graphics Features - Lumen - Aug 4, 2020

Only point lights affect indirect lighting on RTGI much less than other types of lights.[Link Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Link Removed] Apparently, ...

All console variables overridden in Movie Render Queue are set to 0 after the render queue runs

UE - Anim - Sequencer - Aug 4, 2020

All console variables overridden in Movie Render Queue are set to 0 after the render queue runs. It's because all cached previous console variables are reset to 0 just before they are written back ...

Default property track settings for Spot Light OuterConeAngle don't work

UE - Anim - Sequencer - Aug 4, 2020

The outer cone angle will not have a default track created for it when it's added as a default property in the project settings. This seems to stem from the property having a setter function, and be ...

Restored child editor windows have no title

Tools - Aug 3, 2020

Child windows created as part of the editor startup process won't have a title. This happens because the native window hasn't yet been created when we set the title in FTabManager::RestoreArea_Helpe ...

Details View loss of expansion state on container changes

UE - Gameplay - Blueprint Editor - Aug 3, 2020

From the UDN post: When the new entry is added, the entire tree gets wiped out as a result of the CDO swap, and when these update methods run it leaves the tree in a default expansion state. (Effect ...

Current animation asset is lost in animation preview when a post process anim BP is compiled

UE - Anim - Runtime - Anim Blueprints - Aug 3, 2020

UDebugSkelMeshComponent and PreviewInstance are lost current animation asset. There are 2 ways to fix below void UDebugSkelMeshComponent::InitAnim(bool bForceReinit) { // If we already have Pre ...

Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP

UE - Gameplay - Blueprint Editor - Aug 1, 2020

See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...

Reimporting sprite sheets does not work correctly if the editor has ever been closed and reopened since initial import

UE - Gameplay - Paper2D - Aug 1, 2020

UPaperSprite::PostLoad() now sets BakedSourceTexture, BakedSourceUV, and BakedSourceDimension (if AtlasGroup is nullptr). There's nothing in reimport that sets them, so they are stale/latch to the ...

USD Stage window doesn't update when selecting other USDStageActors

UE - Editor - Content Pipeline - Import and Export - Jul 31, 2020

Toggling between USD Stage Actors does not update the USD Stage window with the information from the selected USD Stage. Only the information from the last loaded USD Stage Actor is present. ...