Unreal Engine Issues
Unreal Engine Issues
Volumes with infinite or missing faces when importing .fbx file
UE - Graphics Tools - Modeling Tools - BSP - Sep 16, 2024UDN Description: We are having issues with the "Create Blocking Volume" tool on StaticMeshActors. When we create a convex blocking volume (any convex, rough or heavy), we often have volumes that ha ...
Crash in NaniteStreamManager when Nanite data fails to decode corrupt data from DDC
UE - Graphics Features - Nanite - Sep 11, 2024If Nanite data becomes corrupt in the DDC, the Editor may crash in FStreamingManager::InstallReadyPages() when the Pending.State is FPendingPage::EState::DDC_Ready but the resulting SrcPtr is null b ...
Swapping the Child Actor Class of a ChildActorComponent back to a previously selected BP leads to an Editor crash from illegal Renaming
UE - Framework - Components - Sep 11, 2024A fatal error occurs if we change a Child Actor Class from one BP (ex. "BP_A") to a different BP ( ex. "BP_B") and later change it back to the first BP (ex. "BP_A") without compiling the BP between ...
During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components
UE - Framework - Blueprint Runtime - Sep 6, 2024When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...
Unreal Editor Submit Changelist Pre-Submit Validation is not recording errors and warnings
UEditorValidatorSubsystem::ValidateChangelistsInternal needs some work on handling warnings and errors. ...
Foliage rendering issues when using both Density Scaling and MaxWorldPositionOffsetDisplacement
UE - World Creation - Worldbuilding Tools - Foliage - Aug 29, 2024When a material with WPO effects and MaxWorldPositionOffsetDisplacement is applied to a foliage mesh, foliage applied to a map will no longer work as expected with density scaling, especially after ...
Does FSlateElementBatcher::AddCachedElements need to check if r.HDR.UI.CompositeMode is enabled?
UE - Editor - UI Systems - Aug 28, 2024When a specific configuration of HDR cvars are set, PIE in a New Editor Window will not render the game world. Settings (For DefaultEngine.ini): ```[SystemSettings] r.AllowHDR=1 r.HDR.Display.Color ...
A sampling result of DistanceFieldAOHistory is shifted to a wrong position.
UE - Graphics Features - Aug 21, 2024DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...
Biquad Filter is incorrect when bandpass is 1.0
UE - Audio - Signal Processing - Aug 20, 2024The bandwidth on the biquad loepass filter is cutting frequencies well below 20kHz when the bandwidth is 1.0. Slack convo: [Link Removed] Visualization:[Image Removed] ...
Linker Instancing Context duplication results in OOM
UE - World Creation - Worldbuilding Tools - OFPA - Aug 16, 2024In order to fix a major issue involving dissapearing actors during cook, we added instancing context duplication in 31925640. This actually undoes the optimization made from 26543720 Both reported ...