Unreal Engine Issues

Shadow map z-fighting when using Overlay material

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor

When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...

Instanced Static Meshes ignore max World Position Offset Displacement for bounds after UpdateInstanceTransform is called

When an Instanced Static Mesh Component (ISMC) uses a material with a non-zero Max World Position Offset Displacement, the bounds are correctly expanded at initialization. However, after calling Upd ...

Data like Camera Tracks can get corrupted inside Level Sequences when Undoing some operations

Camera trucks can get in a invalid state when you undo certain operations. One example would be undoing a camera set that has been added to a camera track. When you undo that operation, other camera ...

Virtual Texture Collection Indexing Not Working

Textures at an index, other than 0, cannot be sampled from a Virtual Texture Collection in a material. When using the Texture Collection and Texture Object From Collection material nodes, with a Vir ...

"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)

Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...

Physics Asset loses skeletal mesh reference when skeletal mesh is moved to another folder

When moving a skeletal mesh from one folder to another will lose the skeletal mesh reference in the Physics Asset. A warning message will appear. Picture attached. James: Do things like FStringAss ...

Child actor component cannot be selected within blueprint viewport

Child actor component cannot be selected within blueprint viewport. The transform can be altered and, if selected within the Components tab, the child actor component can be moved within the viewpor ...

Compile error when opening a project on child blueprint calling parent blueprint event

child blueprints calling functions from parent blueprints generate compile errors upon opening project and pressing compile within the child blueprint. Workaround: Open parent blueprint and comp ...