Unreal Engine Issues
Unreal Engine Issues
Duplicating Level With Large _BuiltData File Results in Editor Crash
UE - Foundation - Core - Jun 7, 2018Trying to duplicate a level in the editor that has a large _BuiltData file results in a crash. In the case of the supplied test level, it is over 3 GB. Crash repros in 4.19.2 and Main (CL 4115885). ...
Ensure triggers when undoing change to newly created variable
UE - Gameplay - Blueprint - Sep 28, 2018Ensure will trigger when undo reverts text to default value. "This triggers an ensure because the undo ends up calling SKismetInspector::ShowDetailsForObjects(), which forces the keyboard focus to ...
PublicIncludePaths array in a 4.20 plugin looks for the include path in relation to the Engine instead of the plugin
UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 23, 2018A plugin created in 4.19 automatically includes an entry for the plugin's Public directory in the PublicIncludePaths array in the Plugin.Build.cs file. Plugins created in 4.20 no longer automaticall ...
Cloth paint update issues
UE - Simulation - Physics - Jan 7, 2020Activating and Deactivating Cloth Paint marks the skeletal mesh as dirty, even if no values were painted and there is no transaction in the Undo History. Painting Max Distance values from non-zero ...
Incorrect WorldType causes crash in ULandscapeSplinesComponent::CheckForErrors
UE - LD & Modeling - Terrain - Landscape - Jun 21, 2018When adding a sub-level that contains a Landscape and Landscape Splines to an existing Level, it will cause a crash when building the lighting. This issue was reported in 4.18.3 (CL 3832480) and t ...
Editor Crashes when enabling Vertex Colors on an imported Skeletal Mesh with Morph Target Animations
UE - Graphics Features - Oct 11, 2018Licensee wants to be able to import skeletal meshes which have Vertex Colours (their entire game is Vertex Coloured) and Morph Target animation, but they're seeing a crash when toggling Vertex Color ...
Crashes Caused by Deinitialization of Variables with Specific Names
UE - Gameplay - Components - Jun 14, 2018I was able to repro the crash in 4.19. Unable to open sample project in 4.20 or 4.21. Per Licensee: While porting one of our classes from using UMaterialBillboardComponent to a hand rolled Billboar ...
Crash when destroying a geometry collection actor
UE - Simulation - Physics - Aug 7, 2020When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...
Full Screen Native Resolution not supported on new iPad Pro 11-inch and iPad Pro 12.9 inch (3rd generation)
UE - Platform - Mobile - Nov 16, 2018A licensee has reported that Full Screen native resolution does not work properly on the iPad Pro 11-inch and on the iPad Pro 12.9-inch (3rd generation). Black borders are used around the screen ins ...
[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]
UE - Platform - Apple - Nov 10, 2017This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...