Spatialized audio does not work in ActorSequence components or play in Sequencer Editor

UE - Anim - Sequencer - Aug 8, 2019

A sequence made from a sequence actor component doesn't play audio in editor or in PIE when the child of another actor or track. This was reported and tested in 4.22.3 (CL-7053642). This was reprod ...

Crash after clicking the Build button on Linux

UE - Platform - Linux - Sep 17, 2019

This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...

Shader Complexity viewmode does not work on masked materials

UE - Graphics Features - Oct 16, 2019

In engine versions 4.23 and above, the Shader Complexity Viewmode doesn't render appropriately for meshes with masked materials. Tested in 4.22.3 (CL - 7043647), 4.23 (CL - 8386587), 4.24 (CL - 961 ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

UE - Gameplay - Input - Nov 21, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...

Improper clipping in children of a retainer widget

UE - Editor - UI Systems - Slate - Jan 21, 2025

Children 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 ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

Drop down menus clip on 27" Screen iMacs

UE - Platform - Apple - Mar 17, 2017

Drop down menus clip on 27" Screen iMacs (See attached images.) Reported from a 27" iMac and tested on a 27" iMac here. Other models may be affected. *Image with Blue circled areas are from the use ...

[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState

UE - Rendering Architecture - RHI - Aug 25, 2017

This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

UE - Simulation - Physics - Sep 18, 2018

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...

Ensure Occurs When Using Russian Letters In a Text Variables

UE - Gameplay - Oct 4, 2018

The Editor will hang when using Russian characters for a text variable in a Blueprint. It seems to occur when using the character "л" is used. Only seems to occur once in a project. Found in 4.19 C ...