Unreal Engine Issues
Unreal Engine Issues
CopyFileUnderSourceControl Fails on Already Resolved Files
UE - Editor - Workflow Systems - Apr 12, 2023CopyFileUnderSourceControl has instances when the response is not a success even though the files are copied successfully under source control. It seems FPerforceCopyWorker::Execute() tries to reso ...
Chaos Vehicle does not make them CCD
UE - Simulation - Core - Jan 10, 2024AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...
UDataTableFunctionLibrary::AddDataTableRow() fails for blueprint-defined row structure types
UE - Framework - Blueprint - Feb 2, 2024The editor-scripting blueprint node "Add Data Table Row" fails when the Data Table uses a Row Structure that was defined in blueprint. Internally, it checks if the passed-in UScriptStruct is derived ...
Unable to change Actor Coloration View Modes in PIE
UE - World Creation - Worldbuilding Tools - Jul 20, 2025When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...
Matinee movie recording is broken in 4.10
Tools - Dec 18, 2015When trying to record a movie from a matinee in 4.10, it can fail for a number of reasons: 1. The folder does not exist 2. The cinematic view modes do not take effect 3. Trying to record a streamin ...
Loops don't work with SimpleParallel BT composite node
UE - AI - Dec 16, 2014Loop decorators don't work with SimpleParallel BT composite node. We need to either fix it, or if we remove support for it restrict users from putting these decorators on SimpleParallel's children. ...
Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor
Tools - Jul 7, 2015Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor. No crash report is ge ...
Custom Widget does not change cursor settings
UE - Editor - UI Systems - Nov 20, 2017When you are using a Custom Widget, changing the cursor setting does not change cursor during PIE or packaged games. only changing the cursor options in the original widget fixes the issue. This iss ...
Sharing Material shaders wastes memory and disappears from the memreport
UE - Graphics Features - Jul 18, 2019Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...
Mobile Multi-View 4.23 preview regression
UE - Platform - XR - Jul 18, 2019Black-screen when mobile-multi view is enabled in 4.23 preview. Also confirmed on Oculus Go. +Occuring in 4.24 MAIN @ CL 7436536 Sidenote: In all tested engine versions - when enabling/disabin ...