Unreal Engine Issues

Animation Montage Details Panel Closes When Attempting to Update Animation Segment Data

Occurs 5/5 times. Details panel in Animation Montage goes blank when fields (Start Time, End Time, Play Rate, Loop count) are clicked in to update data. This defect also occurs when clicking in th ...

Unable to multiple a Vector2D with a float in Blueprints

Reported by licensee: [Link Removed] In UE4, we used Multiply_Vector2DFloat as the underlying function for this operation. In UE5, we're relying on promotable operators to the work. However, that o ...

Cook fails when a MetaSound Source object is referenced utilizing FObjectFinder in C++

Android Cook fails when a MetaSound Source object is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3 UATHelper: Cooking (Android (ASTC)): LogInit: Display: LogMetaSound: Error: Target int ...

Material expression called Compiler->TextureParameter() without implementing UMaterialExpression::GetReferencedTexture properly

when trying to replace a Material Function instance, with another instance, as the base color of a material within the Material Graph, the editor crashes with the following error:Assertion failed: ...

Get wrong primitive scene data on mobile preview with GPUScene enabled

The console command bugscreenshot doesn't work correctly in stand alone or packaged games

The console command bugscreenshot doesn't work correctly in stand alone or packaged games. It screenshots the UI and leaves the rest transparent. This is different behavior from PIE, New PIE, or jus ...

Moving a water body causes engine to drop fps and spike ms

Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...

"Assign" node can cause a crash when placed in a graph

This may only happen with upgraded projects that went from 4.27 up to 5.0.1 ...

Assertion thrown while creating a Geometry Collection with Hardware Raytracing enabled along side r.RayTracing.Geometry.GeometryCollection 1

A raytracing project with hardware raytracing enabled and r.RayTracing.Geometry.GeometryCollection set to 1 triggers a crash when trying to create a geometry collection. ...

Merging static mesh actors results in static mesh sockets getting lost

Licensee reports that merging two static meshes results in any sockets disappearing in the resultant merged mesh. "essentially I want to "hard code" the materials and sockets to the static meshes s ...