Unreal Engine Issues

Reflection looks Brighter on Mobile Preview than on PC

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

UnrealEditor hangs at 96% when launched on Linux

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

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

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

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 ...

StaticMeshEditor - "Generate UV" tool no longer works

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

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

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

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

Setting Texture Object within Niagara fails to update texture

Based off of a saleforce ticket, it seems that reinitializing a niagara system with an updated texture, the texture does not update. The setup works correctly in 4.25, so marking as a regression. ...

Crash when changing to Mesh LOD Coloration view mode with Paper2D sprites

Crash in the editor when changing the view mode. This occurs because of a nullptr dereference of "InMaterialInterface" in the FDebugViewModeMaterialProxy constructor (Line 32 in DebugViewModeMateri ...