Unreal Engine Issues

Take Recorder crashes if actor with animation despawns during recording

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

Characters can not pass through back faces of triangle meshes

Here is a work around bool FTriangleMeshSweepVisitor::VisitSweep(const TSpatialVisitorData<int32>& VisitData, FRealSingle& CurDataLength) { ... if (CullsBackFaceSweepsCode != 0) { if ...

Sequencer autosorts alphabetically on undo

[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...

Details Panel Bug - Multiple external objects of same type share expansion state

This is because expansion state is saved per class, and we are displaying multiple objects of the same class at the same type. The UniqueID we add when adding these objects via 'AddExternalObject' ...

MediaPlayer failed to be open on Mac and IOS

Windows Metal Shader Compiler creates invalid shaders for iOS

When installed app is started on device, log will say there's missing or invalid metal shaders ...

Logic error in TRange::Difference causes crash when you Trim and Preserve Left/Right and unbounded Attach section in the sequencer

TRange::Difference function does not handle bounds correctly, causes crash in the sequencer when "Trim And Preserve Left/Right" is used in the user's example project. User provided a potential fix: ...

Widget Flickering Observed in RetainerBox with Incorrect LayerId

Setting the Phase Count of a RetainerBox to 2 or more may cause other widgets within the same UserWidget to flicker. Upon investigation, we found that during frames where the flickering occurs, the ...

Inside the ViewportToolBar, the "Click to Expand" ComboButton works incorrectly with Display Scaling

When Display Scaling is applied (e.g., 125%) and the Level Viewport is resized, the ComboButton in the SViewportToolBar does not behave as expected. Normally, the ComboButton hides when there is in ...