Source control python tests are failing

UE - Editor - Workflow Systems - Dec 8, 2022

Randomize Without Replacement resets to WithReplacement on Sound Cue Loop

UE - Audio - Dec 8, 2022

Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Randomizer in Sound Cue always picking first input on level load

UE - Audio - Dec 8, 2022

Reproduced 10/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. None of these settings seemed to have any effect:Preselect at Level Load (Random nod ...

Custom Node interprets MaterialAttributes inputs as float3

UE - Rendering Architecture - Materials - Dec 8, 2022

It seems that the Material Editor's Custom nodes don't handle inputs of type FMaterialAttributes correctly, and instead interpret them as float3. Using Material Attributes as an input to a Custom E ...

[Soundfield Submix] - Output is silent when routing sound to Unreal Ambisonics and then to Resonance

UE - Audio - Submixes - Dec 8, 2022

According to the official docs https://docs.unrealengine.com/4.27/en-US/WorkingWithAudio/Nativesoundfield/ an ambisonic submix can be rendered to Resonance or Oculus; however when doing so, while th ...

Merge actors in partitioned world dirties level

UE - World Creation - Worldbuilding Tools - Merge Actor - Dec 7, 2022

We've noticed that when we use the merge actors batch option, the partitioned world will get dirtied after the operation. This occurs in FMeshMergeUtilities::MergeComponentsToInstances: if(bAct ...

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

UE - Foundation - Cpp Tools - Automation Tool - Dec 7, 2022

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

UE - Graphics Features - Dec 7, 2022

(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) ...