Unreal Engine Issues

SceneCapture2D Render Targets do not retain Alpha when in Rendering Preview for Vulkan and ES3.1

Regression: This issue does not occur in Release-5.0, so this is a regression The widget completely obscures the screen only when switching Preview Rendering modes without looking at the create Blu ...

When IOStore is enabled, -createchunkinstall separates out chunk-non-0 pak files but not utoc/ucas files

The -createchunkinstall option is used to separate out chunk>0 CDN/patch data from the main packaged app, but when using it with the IOStore enabled, only the pak files are separated out but not the ...

[AI] Assert leading to crash in FRecastTileGenerator::AddReferencedObjects

Licensee has reported a couple cases of an assert happening stemming from FRecastTileGenerator::AddReferencedObjects in a built game. They are limiting the MaxTileGeneratorTasks to 1. The crash occu ...

Notifies on sequences are not triggered from Montages in linked anim instances

Notifies, that live on anim sequences that are played via montages, are not currently triggered when the montage is played via a slot in a linked anim graph. It seems that the notifies are in the s ...

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, ...

Source control python tests are failing

Ensure when running AutomationDriver tests - Ensure condition failed: UserRegistry.RegisterUser(MakeShared<FGenericAccessibleUser>(FGenericAccessibleUserRegistry::GetPrimaryUserIndex()))

BP ConvertTransformToRelative is deprecated in code but still usable in blueprints

Running the BuildPlugin command results in a warning that ForceCompile is not supported and an error that an item with the same key has already been added

Repro Rate: 5/5 This issue was encountered in the 5.1.0 live launcher build of //UE5/Release-5.1 at CL 23058290 and reproduced by other users. Regression tested against the 5.0.3 live launcher bui ...

Repeated GPU Timeout after drawing to render target

(Enduring Games) Included Insights trace to show the memory spike in LLM followed by some pretty large time cost frames in the timeline. (Link to insights trace in comments section) ...