Unreal Engine Issues

Sequencer crashes when using Transform variable added to Scene component BP

This issue has not occurred in previous versions and seems to occur from 4.27. ...

LDR crashes editor on Mac

Summary A licensee has reported a crash with HDR.Details A UDN customer has reported that 4.27.1 still crashes when they attempt to enable HDR on macOS. The report also states that the iOS build cra ...

Compute shader TAADilateVelocity crashes on macOS

Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...

Marketplace plugins "missing precompiled manifest" on Mac

Summary This issue was reported by a licensee via UDN. It appears that all of the plugins generate a "missing precompiled manifest" error when packaging a project on Mac in UE4.26.2.Licensee Platfor ...

Crash adding subscene to a looped subscene - MovieSceneSequenceTransform.h - WarpCounts.Num() == NestedTransformsSize

Crash adding subscene to a looped subscene. Note this did not repro with brand new sequences not sure what's different about this older content. This also occurs in Release-5.0. ...

Despawning or Converting to Spawnable/Possessable a BP with a Control Rig Component causes incorrect mapping

Crash in PackagedBuild when using GPU & Data Interfaces

Due to module initialization order we are serializing shaders before the Niagara module has started up.  This means we are unable to find the default data interface for the GPU simulation to seriali ...

Solidworks exporter does not support scale, scene orientation is different from CAD import and materials are missing

Notice that the udatasmith geometry does not have the scale : all volumes are identicalNotice that the udatatsmith scene is rotated of 90 degree compare to the CAD sceneNotice udatasmith does not have ...

In-Editor Tutorials are unresponsive when selecting them

@triage need approval to submit this into 4.27.2 When trying to select any of the tutorials in the editor, all of them except for the "Welcome to the Unreal Editor" tutorial are unresponsive. They ...

Planar Reflection Inverted surface

Also worth noting the editor slowed significantly with the planar reflection in the scene. Regression checked in //UE4/Release-4.26.2 CL15973114 and the issue does not reproduce there ...