Unreal Engine Issues

[CrashReport] UE4Editor_Sequencer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:964]

This is a slightly common crash coming out of the 4.17.2 hotfix. Users have not provided any descriptions of their actions when the crash occurred. Source Context 951 /** 952 * ...

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 ...

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. ...

A crash in editor will result after swapping inherited SCS component names at the parent class level before loading a child class that overrides them.

This is an editor-only crash that's due to stack overflow/infinite recursion in UInheritableComponentHandler::FixComponentTemplateName(). We are recursively trying to rename other inherited componen ...

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 ...

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 ...

Crash playing in viewport with a character that has a Wheel Class

Crash occurs when playing in editor with a character that has a Simple Wheeled Vehicle Movement Component, with a Wheel Class assigned to it. This crash seems to only occur if Don't Create Shape is ...

Deleting a Sync Marker created by an Animation modifier deletes all Sync Marks made by the Animation Modifier

Using the delete key or context menu to delete a single sync marker created by an Animation Modifier deletes all sync markers created by the Animation Modifier. If all the markers are deleted, and ...