Unreal Engine Issues
Unreal Engine Issues
Media Playback - PNG Image Sequence Crashes Editor
UE - Media Framework - Sep 14, 2023The 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 ...
HTML does not properly show mouse with Set show mouse cursor node
UE - Platform - Mobile - Jun 15, 2017When playing a project on HTML 5, the node "Set show mouse cursor" does not appear when the node is used. ...
[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE - AI - Navigation - Jan 27, 2025Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...
Interactions in the Menu are not working as expected in VRTemplate
UE - Platform - XR - Nov 17, 2022Interactions in the Menu on VRTemplate (and I suspect that style of menu interaction in general) do not function as expected. This issue was reproduced several times (5/5), both with a VR headset an ...
Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error
UE - Gameplay - Blueprint Editor - Feb 22, 2018[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...
When the WidgetInteraction component hovers over the Button of the Control component, executing the Press Pointer Key causes any ongoing Input operations to force their "Completed" operation
UE - Gameplay - Input - Jan 9, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Other Notes:Any ongoing Input operations gets forced to their "Completed" operation I cr ...
The 'Add Movement Input' node no longer functions on a Default Pawn
UE - Gameplay - Apr 1, 2015The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...
Movie Scene Capture - DX12 Render Artifacts and Delay
UE - Rendering Architecture - RHI - Jun 19, 2023If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts. However, the delay and artifacts do not appear when using ...
Improper clipping in children of a retainer widget
UE - Editor - UI Systems - Slate - Jan 21, 2025Children of retainer widgets have improper clipping, causing any widgets set to "Clip to Bounds" to clip incorrectly. This may also affect hit testing in cases where multiple retainer widgets are ne ...
C# UHT fails to recognize delegates declared in another class's namespace
UE - Foundation - Cpp Tools - UnrealHeaderTool - Dec 14, 2022Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...