Unreal Engine Issues
Unreal Engine Issues
Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state
UE - Editor - UI Systems - Apr 24, 2020With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...
NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.
PixelStreaming - Dec 24, 2019i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card). I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...
Possible data loss/corruption when loading levels in editor
UE - Gameplay - Jul 18, 2018Reported behavior: Given Level_A which contains object_X, where object_X references Level_BDeleting object_X causes AssetRenameManger to check if we need to patch up other levelsLevel_B is load ...
Failure to sign when packaging for iOS Distribution when using Remote Compile from a code project on Windows
UE - Platform - Mobile - Feb 20, 2019Packaging for iOS Distribution from Windows using Remote Compile results in a failure during the signing portion. This seems to be caused by a hardcoded "false" for a property that is used to determ ...
SketchUp UV scale is not consistent for Datasmith imports.
TM - Interoperability - Dec 6, 2024This is not a regression. We have 2 issues here. First we have different tiling for the different materials, since the way sketchup handles texture scale. They scale the UVs of the object instead ...
References to Data Assets that inherit from Blueprints may be broken during reinstancing
UE - Gameplay - Blueprint - Nov 30, 2020It is possible to create new Data Asset instances in the editor that inherit from a blueprint-defined subclass of UDataAsset. This flow is not very well supported, and generally it is safer to just ...
Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry
UE - Graphics Features - Jun 2, 2017Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry. The static mesh is not double-sided. User Description: It appears that in Unreal 4.16 one loses the ability ...
UBT Output log encoding does not match if non-ASCII characters are in the UBT output
UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 21, 2019UBT Output log encoding does not match if non-ASCII characters are in the UBT output. Before UE4.23, UBT output encoding problems only exist in the editor "Compiler Log" under Developer Tools, and i ...
Lumen screen traces from hair cast noising moving shadows on faces
UE - Graphics Features - Lumen - May 17, 2024There is moving blotchy noise on the head and face from hair when Lumen HZB tracing hits hair. CL 33258050 fixes the noise in the hair, but tracing still hits hair when it starts from surfaces like ...
Double Properties break reset to default and inherited value propagation
UE - Gameplay - LWC - Apr 13, 2022This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...