Spawning a Spawnables to a sub-level on the sequencer will spawn to Persistent Level in the case of Editor

UE - Anim - Sequencer - Jan 18, 2021

This feature works fine on Runtime and is spawned to Sublevel. And, once we save the Level, it will be spawned actor to a sublevel even on the Editor. ...

Deterministic cooking issue caused by ParticleModuleTypeDataGPU

UE - Niagara - Jan 18, 2021

This problem is similar to the following case. [Link Removed] [Link Removed] It seems to have been fixed in 4.16, but the licensee reported it in 4.25. ...

Reflection looks Brighter on Mobile Preview than on PC

UE - Graphics Features - Jan 18, 2021

Relevant Ticket and UDN [Link Removed] [Link Removed] ...

UnrealEditor hangs at 96% when launched on Linux

UE - Platform - Linux - Jan 14, 2021

Unshelving the CL's mentioned in the repro steps causes Unreal Editor to stall when loading up on Linux. Issue still occurs when the unshelved CL files are reverted. ...

UMG Animations on existing widgets break when loading new level

UE - Editor - UI Systems - Jan 14, 2021

Marking as a regression as this does not occur in 4.25.4 User description: I want to have UMG UI that persists for the lifetime of the game so I create my root widget and add it to the viewport fr ...

Calling TearOff then Destroy on an actor results in client actor also being destroyed

UE - Networking - Jan 14, 2021

When calling TearOff followed immediately by Destroy, the channel will be closed with the reason that the actor was destroyed, so the actor will be destroyed on the client as well. In the UDN linke ...

Reflection looks much darker on Mobile Preview vs PC

UE - Graphics Features - Jan 13, 2021

UPDATE: This is primarily due to the fact that it runs as Fullyrough on Mobile as long as a Constant 1 value was feed. Also on Mobile the FullyRough shading looks like simply remove all Highlights/R ...

Anim Notifies and Curves are removed when saving Linked Animation Sequences through Sequencer

UE - Anim - Sequencer - Jan 12, 2021

Found from AnswerHub: https://answers.unrealengine.com/questions/1005466/view.html ...

Ensure playing a sequence that has an event trigger that calls SetPlaybackPosition

UE - Anim - Sequencer - Jan 12, 2021

https://answers.unrealengine.com/questions/1003504/loadsequence-and-where-is-setplaybackposition.html ...