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 ...

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 ...

[daydream] Black screen with FirstPersonTemplate and 4.15P4

https://answers.unrealengine.com/questions/561763/daydream-black-screen-with-firstpersontemplate-and.html Any msaa setting except none results in a black 3d scene on daydream. ...

[CrashReport] Linux Crash in FActiveSound::GetWorld()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...

Alpha Compression Artifacts

Confirmed in Main 4.22 @ CL 4586854 in 4.21 Alpha looks to be about 1 pixel larger than other channels in certain parts of the texture "The issue is not improved by changing compression settin ...

Crash When Changing to Landscape Paint Tool With a Material Function for the World Position Offset of the Landscape Material

Crash on switching to landscape/paint tab when using a landscape material that has a material function hooked onto the WorldPositionOffset. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL ...