Unreal Engine Issues

Take Recorder - Viewport Freezing and Performance Degradation When Recording Without Subsequences

Description: In Unreal Engine 5.4, when recording camera movements using the Take Recorder with the "Record Sources Into Sub Sequences" option turned off, significant viewport freezing and performan ...

[CrashReport] UE4Editor_DetailCustomizations!FBrushDetails::OnClassPicked() [brushdetails.cpp:306]

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context296 // make sure the brushes are re ...

Masked Mesh has significant performance hit on some android devices

[CrashReporter]UnrealEditor-Engine!UWorldPartition::GenerateStreaming(TArray<FString,TSizedDefaultAllocator<32> > *) [WorldPartitionStreamingGeneration.cpp:570]

Generated from CrashReporter user's comment: Everytime I press "Play" in this specific project, the program crashes ...

Window Size does not Change to iPhone 6 presets when in Standalone Game or Mobile Preview (PIE)

You cannot adjust the Window size to the iPhone 6 or iPhone 6 + preset Common Window Sizes in the Editor Preferences. Regression: this did not occur in UE 4.10 NOTE: This does not occur in New Ed ...

Blueprint compile fails after changing the default values of a struct that is part of another struct that makes up a Data Table that is used within the Blueprint.

Changing the default value of a struct that is included as an array in another struct can prevent any Blueprints that use a DataTable made from the second struct from compiling. It appears to be a p ...

Orientation is wrong for client in networked HMD game when UseControllerRotationRoll is true

A networked VR (HMD) game will result in an undesirable rotation for the pawn on startup for a network client, and the issue is dependent on timing. ...

Crash when adding SK_Mannequin to a Level Sequence in QAGame

This crash only occurs when the asset is dragged and dropped into the level. Workaround Add the asset to the level, then to the sequence. NOTE This does not occur in //UE4/Main ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

FRayTracingGeometryManager::Tick() called twice during a single frame

UDN licensee Prophecy Games has encountered an issue in which the RaytracingGeometry::Tick() function is called twice during a single frame. This causes an assert to trigger, which blocks them from ...