Unreal Engine Issues

Cloth Asset - Cloth bounces off wildly during the rendering of a sequence in MRQ.

The motion blur rendering is causing some issues when rendering the cloth asset as the timestep wildly changes without the number of substeps being increased, The movie pipeline code needs to man ...

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 ...

AddTimedDisplay causes crash when changing level

RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...

Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format

Buffer Visualization for DecalMask is missing

The Buffer Visualization for DecalMask is no longer an option. Also, when looking at the Buffer Visualization Overview the DecalMask slot has been removed. See attached image for comparison Worke ...

Crash when TSR history separate translucency enabled

"Failed to find object 'Class None'" in project log after creation

Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...

Can't PIE or Save: Editor gets into odd state when editing parameters.

I've seen this happen in other areas of the editor as well: Data Table fields (floats) for example. Manually typing in numbers to fields seems less prone to this error; using spinners to drag value ...

SEGV_NOOP at 0x0

Crash Report: [Link Removed] *Crash Report attached User reports, "Launch[ing] Unreal Engine 4.8.1 from Epic Games Launcher, UE4 splash screen will come up and after 80% of initialization; UE4edit ...

Character Mesh transform replication break on clients

In 4.16, character mesh on clients seem to be in the different location than the server. So far this happens when the player start is above the ground. This does not happen when network Smoothing ...