Unreal Engine Issues

Shadowmapping broken in Android Vulkan Editor Preview

UVOIPStatics::VoiceTalkerMap entries overridden in single-process multiplayer PIE

UVOIPStatics::VoiceTalkerMap uses FUniqueNetIdWrappers as its keys, which will be the same across multiple instances for a player. A player's local pawn can have a voip talker, and that pawn on a re ...

[Oscilloscope][Analyser Probes] - Analyser graph doesn't update smoothly when observing pin outputs

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Input Actions with the same description silently breaks OpenXR input

Default Wireframe View within the Niagara Preview Window is Difficult to Visualize

The environment geo is getting in the way and the particle's wireframe outline is the same color as the environment. A current workaround it going to the Preview Scene Settings and turning off the e ...

Media Playback - PNG Image Sequence Crashes Editor

The attached 105 frame PNG image sequence ( 1920x1080 w/alpha ) crashes the editor in UE 5.3 and 5.4 when played in the media player or in a MediaPlate.   The same image sequence does not crash the ...

Quixel Bridge opens as a blank window when opening through the UE Main toolbar on Intel Mac

Regression unconfirmed because this is a new feature. This is not a regression for UE. Tested in //UE5/Release-5.3 CL28051148. Update: When attempting to reproduce on Apple Silicon, Bridge opens ...

Multi-User - Conflict between two users dragging a selection

During a Multi-User Editing session with two or more team members two or more users can take control of the same actor and move it to different locations in the viewport at the same time. However, ...

Hardware Accelerated Video Decoding with DirectX 11 causes videos to render black when loaded in a Media Player

This is not a regression. Tested in //UE5/Release-5.2 CL26001984. Hardware Accelerated Video Decoding requires DirectX 11, but it appears the combination causes media players to only render a black ...

Gauntlet test warnings in QAGame Win64 Development BootTest

QAGame Win64 Development BootTest: * Ensure: Ensure condition failed: oldValue == newValue [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\HAL\ThreadingBase.cpp] [Line: 311] oldVal ...