Unreal Engine Issues

Crash occur when loading AInstancedPlacementPartitionActor

Crashes when loading an actor that inherits from AInstancedPlacementPartitionActor. There is a serialization size mismatch. ...

IOS crash disabling idle timer when closing the app

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...

Custom UVs don't store information properly in layered materials.

[Link Removed] I have this set up so that FX artists can stack UV manipulations, so I don't want to just have all the UV manipulation in the layer with the base color, even though that does give me ...

Crash calling user-function in non-editor

Crash occurs when attempting to call native Pre-Construct in the attached project. ...

MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution

When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...

[CrashReport] UE4Editor_CoreUObject!StaticConstructObject_Internal() [uobjectglobals.cpp:3144]

No user comments in crash group ...

Reparenting a non-widget BP A to UUserWidget then reparenting a widget BP B to A causes an assert when compiled

No user comments in crash group ...

Certain UPROPERTY values are not updated during auto-recompile

Sometimes manual recompile is required to make a blueprint actually recompile data-only changes, but not always. If the last manual compile was with default values, then changes are not updated. If ...

[CrashReport] UE4Editor_Engine!FExpressionInput::Connect() [materialshared.cpp:129]

User comment from crash group:Saving a material layer blend asset. ...

The frame rate could be locked to around 45 occasionally on 90Hz android device.